{ "schema_version": "chamgap-public-evidence-check-1.0", "public_id": "v3015-s0", "verdict_number": "3015", "title": "Argentine tango or adapted-tango classes × Improved balance, gait, and participation versus no intervention", "view_version": "1.0", "view_created_date": "2026-10-21", "criteria_version": "1.0", "criteria_date": "2026-10-06", "review_date": null, "legacy_evidence_date": "2026-09-07", "review_scope": { "materials_read": "Existing review summaries and stored records of methodological application", "clinical_papers_directly_read": false, "new_clinical_search": false, "limitation": "Existing stored summary and preserved methodology application records. External papers, abstracts, registration, protocols, SAPs, original result tables and support disclosures are unread, and review of existing content remains incomplete.", "date_meaning": "This is the date the stored materials were checked, not the date of a new search of the clinical literature." }, "claim_context": { "population": "Mild to moderate Parkinson disease. Detailed stage, selection, medication state, baseline function and applicability to other severity levels remain unverified.", "intervention": "The whole program of partnered Argentine or adapted-tango classes, including music, group activity, social contact and aerobic movement.", "dose": "The 2009 report describes 20 classes over 13 weeks. The original account of around 2 classes weekly is retained; actual length, intensity, attendance and total exposure remain unverified.", "comparator": "The selected question compares no intervention. Usual medication, rehabilitation, daily activities and additional contact remain unverified. It is distinguished from specific superiority over other dance or exercise.", "endpoint": "Balance BBS, 6-minute walk, backward stride and other functional measures are distinguished from Activity Card Sort participation. Listed UPDRS is not converted into the same positive result.", "duration": "Function over 13 weeks in 2009 is distinguished from participation over 12 months in 2013. Durability after training stops and long active-control comparisons on the same endpoint remain unverified.", "excluded_extensions": [ "Selected no-intervention C is distinguished from parent C54 and specific superiority over other dance or exercise D. Individual scores or axes are not newly filled in.", "When both tango and waltz/foxtrot improved some outcomes over no intervention, music, exercise and social contact are not removed and effects unique to tango movements are not established.", "Function over 13 weeks and participation over 12 months are distinguished; durability after stopping training is not newly established.", "77% to 90%, P=.006, and control around 80%, P=.60, are original within-group records. They are not converted into between-group effects, new changes or CIs.", "58 participants, 62 allocated, 52 analyzed, 26 per group and 10 excluded retain their original scope; new denominators, exclusion rates or unique totals are not calculated.", "Function and participation are not expanded into disease recovery, prevention of actual falls or hospitalization, treatment replacement or overall safety; shared reports and networks are not added as new independent replication." ] }, "requirements": [ { "item_id": "N01", "question_type": "Evidence condition", "question": "Which question does this evidence check cover?", "needed": "Scope of function and participation versus no intervention and the parent question", "role": "Required", "role_reason": "Material on Scope of function and participation versus no intervention and the parent question is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Scope of function and participation versus no intervention and the parent question must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: It is distinguished from tango superiority over other dance or exercise and is not extended into Parkinson disease recovery or replacement of treatment. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "This covers the existing subquestion of improved balance, gait and participation versus no intervention.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "It is distinguished from tango superiority over other dance or exercise and is not extended into Parkinson disease recovery or replacement of treatment.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "It is distinguished from tango superiority over other dance or exercise and is not extended into Parkinson disease recovery or replacement of treatment." }, { "item_id": "N02", "question_type": "Evidence condition", "question": "How do selected C and parent C54 differ?", "needed": "Selected grade, absent individual score, and parent grade and score", "role": "Required", "role_reason": "Material on Selected grade, absent individual score, and parent grade and score is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Selected grade, absent individual score, and parent grade and score must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Parent 54 is not assigned as a selected score, and selected C is not labeled as a new review or verdict. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The selected grade is C without a separate score. Parent C54 is the existing whole-account verdict.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Parent 54 is not assigned as a selected score, and selected C is not labeled as a new review or verdict.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Parent 54 is not assigned as a selected score, and selected C is not labeled as a new review or verdict." }, { "item_id": "N03", "question_type": "Evidence condition", "question": "Which materials were actually read in this work?", "needed": "Complete stored parent summary, selected question and external materials", "role": "Required", "role_reason": "Material on Complete stored parent summary, selected question and external materials is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Complete stored parent summary, selected question and external materials must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: External papers, registration, protocols and analysis plans were unread and access was not attempted in this work. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The complete stored parent summary, with 2 evidence entries, 2 citations, Korean and English records and 2 subquestions, was read. Historical verification accounts remain historical.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "External papers, registration, protocols and analysis plans were unread and access was not attempted in this work.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "External papers, registration, protocols and analysis plans were unread and access was not attempted in this work." }, { "item_id": "N04", "question_type": "Evidence condition", "question": "What is the 2009 3-arm report?", "needed": "Hackney and Earhart bibliography, controls and related reports", "role": "Required", "role_reason": "Material on Hackney and Earhart bibliography, controls and related reports is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Hackney and Earhart bibliography, controls and related reports must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: External originals, registration, analysis details and related-report relationships were unread in this work. This records needed materials; no new research was executed.", "current_reports": [ "S01" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The J Rehabil Med 2009 report, PMID19479161 and DOI10.2340/16501977-0362, describes a 3-arm randomized tango, waltz/foxtrot and no-intervention comparison.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "External originals, registration, analysis details and related-report relationships were unread in this work.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "External originals, registration, analysis details and related-report relationships were unread in this work." }, { "item_id": "N05", "question_type": "Evidence condition", "question": "What is the 2013 12-month report?", "needed": "Foster and Earhart bibliography, literature identifiers and no-intervention comparison", "role": "Required", "role_reason": "Material on Foster and Earhart bibliography, literature identifiers and no-intervention comparison is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Foster and Earhart bibliography, literature identifiers and no-intervention comparison must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Complete originals, registration and plans, and comparison of related cohorts were unread in this work. This records needed materials; no new research was executed.", "current_reports": [ "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The Arch Phys Med Rehabil 2013 report, PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028, compares tango with no intervention over 12 months.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Complete originals, registration and plans, and comparison of related cohorts were unread in this work.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Complete originals, registration and plans, and comparison of related cohorts were unread in this work." }, { "item_id": "N06", "question_type": "Evidence condition", "question": "Are shared reports and networks counted as independent replication?", "needed": "Two reports, overlapping research networks, shared questions and participant relationships", "role": "Required", "role_reason": "Material on Two reports, overlapping research networks, shared questions and participant relationships is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Two reports, overlapping research networks, shared questions and participant relationships must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: The same reports are not added as new independent trials or participants; cohort overlap, unique totals and independent replication remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original account says the two reports' research networks overlap. No-intervention and other-dance questions share the same parent reports.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "The same reports are not added as new independent trials or participants; cohort overlap, unique totals and independent replication remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "The same reports are not added as new independent trials or participants; cohort overlap, unique totals and independent replication remain unverified." }, { "item_id": "N07", "question_type": "Evidence condition", "question": "Which Parkinson disease population is involved?", "needed": "Severity, stage, age, gait and cognition, and participant selection", "role": "Required", "role_reason": "Material on Severity, stage, age, gait and cognition, and participant selection is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Severity, stage, age, gait and cognition, and participant selection must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Sample size is not converted into an eligibility criterion; stage, medication ON/OFF, freezing, baseline conditions, selection and applicability to other severity levels remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The population is mild to moderate Parkinson disease. Original 58 participants, 20 classes and 13 weeks describe sample size and time.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Sample size is not converted into an eligibility criterion; stage, medication ON/OFF, freezing, baseline conditions, selection and applicability to other severity levels remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Sample size is not converted into an eligibility criterion; stage, medication ON/OFF, freezing, baseline conditions, selection and applicability to other severity levels remain unverified." }, { "item_id": "N08", "question_type": "Evidence condition", "question": "Which tango program is involved?", "needed": "Argentine or adapted tango, partners, instructors, setting and progression", "role": "Required", "role_reason": "Material on Argentine or adapted tango, partners, instructors, setting and progression is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Argentine or adapted tango, partners, instructors, setting and progression must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Individual movements, intensity, class length, instructors and partners, progression and adaptation rules, and actual adherence remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The account of Argentine or adapted tango and partnered classes around 2 times weekly is retained. This is behavioral training; a botanical source is not applicable.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Individual movements, intensity, class length, instructors and partners, progression and adaptation rules, and actual adherence remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Individual movements, intensity, class length, instructors and partners, progression and adaptation rules, and actual adherence remain unverified." }, { "item_id": "N09", "question_type": "Evidence condition", "question": "What were class dose, duration and actual participation?", "needed": "20 classes over 13 weeks for function versus 12 months for participation; actual exposure", "role": "Required", "role_reason": "Material on 20 classes over 13 weeks for function versus 12 months for participation; actual exposure is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on 20 classes over 13 weeks for function versus 12 months for participation; actual exposure must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Actual attendance, class time and intensity, stopping and total exposure are not newly calculated; report-specific differences are retained. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The functional report's 58 participants, 20 classes and 13 weeks are distinguished from the participation report's 12 months. A program name is not converted into quantitative class dose.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Actual attendance, class time and intensity, stopping and total exposure are not newly calculated; report-specific differences are retained.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Actual attendance, class time and intensity, stopping and total exposure are not newly calculated; report-specific differences are retained." }, { "item_id": "N10", "question_type": "Evidence condition", "question": "What did the no-intervention comparison mean?", "needed": "Usual medication, rehabilitation, daily activities, social contact and additional exercise", "role": "Required", "role_reason": "Material on Usual medication, rehabilitation, daily activities, social contact and additional exercise is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Usual medication, rehabilitation, daily activities, social contact and additional exercise must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Control-group daily activities, usual rehabilitation and medication, contact time, additional exercise and group-specific changes remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The two reports' no-intervention comparisons are linked to the selected question. No intervention does not mean all treatment or activity stopped.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Control-group daily activities, usual rehabilitation and medication, contact time, additional exercise and group-specific changes remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Control-group daily activities, usual rehabilitation and medication, contact time, additional exercise and group-specific changes remain unverified." }, { "item_id": "N11", "question_type": "Evidence condition", "question": "What is the context of the 3-arm other-dance comparison?", "needed": "Separate tango, other-dance and no-intervention contrasts; shared control group", "role": "Required", "role_reason": "Material on Separate tango, other-dance and no-intervention contrasts; shared control group is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Separate tango, other-dance and no-intervention contrasts; shared control group must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: The shared no-intervention group is not counted as new participants in two independent comparisons, and program effects are not converted into effects unique to tango movements. This records needed materials; no new research was executed.", "current_reports": [ "S01" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The functional report's finding that both tango and waltz/foxtrot improved some functions over no intervention is retained.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "The shared no-intervention group is not counted as new participants in two independent comparisons, and program effects are not converted into effects unique to tango movements.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "The shared no-intervention group is not counted as new participants in two independent comparisons, and program effects are not converted into effects unique to tango movements." }, { "item_id": "N12", "question_type": "Evidence condition", "question": "What is established about randomization and lack of masking?", "needed": "Sequence generation, concealment, assessors, baseline balance and program masking", "role": "Required", "role_reason": "Material on Sequence generation, concealment, assessors, baseline balance and program masking is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Sequence generation, concealment, assessors, baseline balance and program masking must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Sequence generation, concealment, assessor masking and baseline balance are not treated as verified from a design label alone. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original account describes randomized comparisons and limitations from lack of masking, expectations and group activity.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Sequence generation, concealment, assessor masking and baseline balance are not treated as verified from a design label alone.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Sequence generation, concealment, assessor masking and baseline balance are not treated as verified from a design label alone." }, { "item_id": "N13", "question_type": "Evidence condition", "question": "Which balance and gait endpoints were listed?", "needed": "BBS, 6-minute walk, backward stride, UPDRS, timing and units", "role": "Required", "role_reason": "Material on BBS, 6-minute walk, backward stride, UPDRS, timing and units is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on BBS, 6-minute walk, backward stride, UPDRS, timing and units must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: UPDRS is not newly labeled as the same positive result; test methods, units, baseline and final values, changes, endpoint-specific denominators and hierarchy remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The functional report's list of BBS, 6-minute walk, backward stride and UPDRS is distinguished from its description of improvements in BBS, 6-minute walk and backward stride.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "UPDRS is not newly labeled as the same positive result; test methods, units, baseline and final values, changes, endpoint-specific denominators and hierarchy remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "UPDRS is not newly labeled as the same positive result; test methods, units, baseline and final values, changes, endpoint-specific denominators and hierarchy remain unverified." }, { "item_id": "N14", "question_type": "Evidence condition", "question": "What was the exact functional effect versus no intervention?", "needed": "Endpoint-specific between-group estimates, variance, denominators, P values, CIs and important differences", "role": "Required", "role_reason": "Material on Endpoint-specific between-group estimates, variance, denominators, P values, CIs and important differences is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Endpoint-specific between-group estimates, variance, denominators, P values, CIs and important differences must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Exact changes, between-group effects, P values, CIs and important differences are not newly created, and directional wording is not converted into a precise estimate. This records needed materials; no new research was executed.", "current_reports": [ "S01" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The directional description that both dances improved some outcomes and tango was equal or superior on some measures is retained.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Exact changes, between-group effects, P values, CIs and important differences are not newly created, and directional wording is not converted into a precise estimate.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Exact changes, between-group effects, P values, CIs and important differences are not newly created, and directional wording is not converted into a precise estimate." }, { "item_id": "N15", "question_type": "Evidence condition", "question": "How was long-term participation measured?", "needed": "Activity Card Sort, activity retention, definitions, scale and time points", "role": "Required", "role_reason": "Material on Activity Card Sort, activity retention, definitions, scale and time points is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Activity Card Sort, activity retention, definitions, scale and time points must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Units, definitions and calculation of activity retention, response and measurement denominators, masking and time points remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The longer report concerns Activity Card Sort participation. It is treated as a separate endpoint from balance and gait.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Units, definitions and calculation of activity retention, response and measurement denominators, masking and time points remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Units, definitions and calculation of activity retention, response and measurement denominators, masking and time points remain unverified." }, { "item_id": "N16", "question_type": "Evidence condition", "question": "What do 77% to 90% and within-group P values mean?", "needed": "Tango and control within-group changes, group-by-time and between-group contrasts", "role": "Required", "role_reason": "Material on Tango and control within-group changes, group-by-time and between-group contrasts is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Tango and control within-group changes, group-by-time and between-group contrasts must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Significant and nonsignificant within-group P values are not compared to create a between-group effect; no new changes or CIs are calculated. This records needed materials; no new research was executed.", "current_reports": [ "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "Tango activity retention of 77% to 90%, P=.006, and control around 80%, P=.60, are retained. The original limitation that the key between-group estimate was not presented is preserved.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Significant and nonsignificant within-group P values are not compared to create a between-group effect; no new changes or CIs are calculated.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Significant and nonsignificant within-group P values are not compared to create a between-group effect; no new changes or CIs are calculated." }, { "item_id": "N17", "question_type": "Evidence condition", "question": "What denominators are 62 randomized, 52 analyzed and 26 per group?", "needed": "Allocation, 10 who did not receive their allocation, analysis groups, endpoints and time points", "role": "Required", "role_reason": "Material on Allocation, 10 who did not receive their allocation, analysis groups, endpoints and time points is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Allocation, 10 who did not receive their allocation, analysis groups, endpoints and time points must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Allocation totals are not converted into completion or measurement denominators, and an exclusion rate for 10 people, original group allocation or time-specific denominators are not newly derived. This records needed materials; no new research was executed.", "current_reports": [ "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The longer report records 62 randomized, 52 analyzed and 26 per group, after excluding 10 who did not receive their allocation.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Allocation totals are not converted into completion or measurement denominators, and an exclusion rate for 10 people, original group allocation or time-specific denominators are not newly derived.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Allocation totals are not converted into completion or measurement denominators, and an exclusion rate for 10 people, original group allocation or time-specific denominators are not newly derived." }, { "item_id": "N18", "question_type": "Evidence condition", "question": "How were post-allocation exclusion, missingness and ITT handled?", "needed": "10 nonattenders, exclusion reasons, group missingness, ITT/PP and sensitivity", "role": "Required", "role_reason": "Material on 10 nonattenders, exclusion reasons, group missingness, ITT/PP and sensitivity is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on 10 nonattenders, exclusion reasons, group missingness, ITT/PP and sensitivity must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Reasons, group exclusions, missing participation, ITT/PP, imputation and sensitivity remain unverified. Exclusion information is not used to newly infer durability or safety. This records needed materials; no new research was executed.", "current_reports": [ "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original account describes post-randomization exclusion and analysis of 52 participants as limitations.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Reasons, group exclusions, missing participation, ITT/PP, imputation and sensitivity remain unverified. Exclusion information is not used to newly infer durability or safety.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Reasons, group exclusions, missing participation, ITT/PP, imputation and sensitivity remain unverified. Exclusion information is not used to newly infer durability or safety." }, { "item_id": "N19", "question_type": "Evidence condition", "question": "How does the total 58 differ from functional analysis denominators?", "needed": "Total, group- and endpoint-specific allocation, measurement, completion and attrition", "role": "Required", "role_reason": "Material on Total, group- and endpoint-specific allocation, measurement, completion and attrition is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Total, group- and endpoint-specific allocation, measurement, completion and attrition must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Group- and endpoint-specific denominators, attrition, missingness, paired or repeated measurements and adjustment remain unverified; 58 is not established as every endpoint's analysis denominator. This records needed materials; no new research was executed.", "current_reports": [ "S01" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The functional report's total 58 participants, 20 classes and 13 weeks are retained.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Group- and endpoint-specific denominators, attrition, missingness, paired or repeated measurements and adjustment remain unverified; 58 is not established as every endpoint's analysis denominator.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Group- and endpoint-specific denominators, attrition, missingness, paired or repeated measurements and adjustment remain unverified; 58 is not established as every endpoint's analysis denominator." }, { "item_id": "N20", "question_type": "Evidence condition", "question": "Were preregistration, endpoints, timing and multiplicity verified?", "needed": "Registration, protocols, analysis plans, functional and participation hierarchy, and changes", "role": "Required", "role_reason": "Material on Registration, protocols, analysis plans, functional and participation hierarchy, and changes is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Registration, protocols, analysis plans, functional and participation hierarchy, and changes must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Registration absence is not asserted, and prespecified primary endpoints or multiplicity handling are not newly verified; external plans remain unread. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original registration wording for both reports is unable to verify. Multiple functional endpoints and within-group participation P values are distinguished.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Registration absence is not asserted, and prespecified primary endpoints or multiplicity handling are not newly verified; external plans remain unread.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Registration absence is not asserted, and prespecified primary endpoints or multiplicity handling are not newly verified; external plans remain unread." }, { "item_id": "N21", "question_type": "Evidence condition", "question": "Are effects versus no intervention unique to tango movements?", "needed": "Music, exercise, group activity, social contact, expectations and the whole program", "role": "Required", "role_reason": "Material on Music, exercise, group activity, social contact, expectations and the whole program is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Music, exercise, group activity, social contact, expectations and the whole program must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Differences are not assigned uniquely to tango movements or superiority over other dance. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original explanation says music, group activity, social contact and aerobic movement occur together. The selected question compares the whole program.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Differences are not assigned uniquely to tango movements or superiority over other dance.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Differences are not assigned uniquely to tango movements or superiority over other dance." }, { "item_id": "N22", "question_type": "Evidence condition", "question": "What is known about durability, class dose and subgroups?", "needed": "13 weeks versus 12 months, persistence after stopping, frequency and intensity, and prespecified subgroups", "role": "Required", "role_reason": "Material on 13 weeks versus 12 months, persistence after stopping, frequency and intensity, and prespecified subgroups is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on 13 weeks versus 12 months, persistence after stopping, frequency and intensity, and prespecified subgroups must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Long active-control comparisons on the same endpoint, durability after stopping, optimal frequency and intensity, and disease-stage interactions remain unverified. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "Short-term function and 12-month participation are retained separately.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Long active-control comparisons on the same endpoint, durability after stopping, optimal frequency and intensity, and disease-stage interactions remain unverified.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Long active-control comparisons on the same endpoint, durability after stopping, optimal frequency and intensity, and disease-stage interactions remain unverified." }, { "item_id": "N23", "question_type": "Evidence condition", "question": "Do function and participation answer disease recovery or fall prevention?", "needed": "Function and participation, disease progression, actual falls and hospitalization, and treatment replacement", "role": "Required", "role_reason": "Material on Function and participation, disease progression, actual falls and hospitalization, and treatment replacement is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Function and participation, disease progression, actual falls and hospitalization, and treatment replacement must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Balance, gait and participation signals are not transferred into disease reversal, prevention of actual falls or hospitalization, or medication withdrawal. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original account limits advertising expansion into Parkinson disease recovery and replacement of medication or rehabilitation.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Balance, gait and participation signals are not transferred into disease reversal, prevention of actual falls or hospitalization, or medication withdrawal.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Balance, gait and participation signals are not transferred into disease reversal, prevention of actual falls or hospitalization, or medication withdrawal." }, { "item_id": "N24", "question_type": "Evidence condition", "question": "What are the original funding, network and interest records?", "needed": "NIH, academic support, manufacturer involvement, research teams, institutions, employment and support", "role": "Required", "role_reason": "Material on NIH, academic support, manufacturer involvement, research teams, institutions, employment and support is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on NIH, academic support, manufacturer involvement, research teams, institutions, employment and support must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: These descriptions are not expanded into absence of instructor, institutional, program-rights, nonfinancial-support, author-employment or other interests, or confirmation of independent replication. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The functional report's NIH and academic support and no manufacturer involvement are retained alongside the participation report's NIH and academic support and overlap with the earlier research network.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "These descriptions are not expanded into absence of instructor, institutional, program-rights, nonfinancial-support, author-employment or other interests, or confirmation of independent replication.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "These descriptions are not expanded into absence of instructor, institutional, program-rights, nonfinancial-support, author-employment or other interests, or confirmation of independent replication." }, { "item_id": "N25", "question_type": "Evidence condition", "question": "How were harms during classes collected?", "needed": "Falls, injuries, collection, stopping, participation and time denominators, and control events", "role": "Supplementary", "role_reason": "Material on Falls, injuries, collection, stopping, participation and time denominators, and control events is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Falls, injuries, collection, stopping, participation and time denominators, and control events must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Trial-specific event collection, injuries and falls, stopping, exposure and time denominators remain unverified. Functional improvement does not establish fewer actual falls or program safety. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original caution and context of fall risk with freezing, postural instability and orthostatic hypotension, and classes adapted to individual ability, are retained.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Trial-specific event collection, injuries and falls, stopping, exposure and time denominators remain unverified. Functional improvement does not establish fewer actual falls or program safety.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Trial-specific event collection, injuries and falls, stopping, exposure and time denominators remain unverified. Functional improvement does not establish fewer actual falls or program safety." }, { "item_id": "N26", "question_type": "Evidence condition", "question": "How do partners, setting and medication relate to harms?", "needed": "Turns and backward walking, instructors and partners, setting, baseline conditions, medication and timelines", "role": "Supplementary", "role_reason": "Material on Turns and backward walking, instructors and partners, setting, baseline conditions, medication and timelines is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Turns and backward walking, instructors and partners, setting, baseline conditions, medication and timelines must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Actual compliance with trial settings, specific causes and between-group risks, stopping and recovery, and absence of long-term or rare harms remain unverified. No new causality or incidence rates are created. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "The original account describes therapists or instructors, stable partners, rails or walls, ability-adjusted turns and backward walking, and the boundary against replacing medication or rehabilitation.", "condition_status": "Unverified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Actual compliance with trial settings, specific causes and between-group risks, stopping and recovery, and absence of long-term or rare harms remain unverified. No new causality or incidence rates are created.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Actual compliance with trial settings, specific causes and between-group risks, stopping and recovery, and absence of long-term or rare harms remain unverified. No new causality or incidence rates are created." }, { "item_id": "N27", "question_type": "Evidence condition", "question": "What do selected and parent bilingual records, axes, dates and empty fields mean?", "needed": "Selected C, absent score, parent C54, axes, 2026-09-07 and correction history", "role": "Required", "role_reason": "Material on Selected C, absent score, parent C54, axes, 2026-09-07 and correction history is needed to connect the same tango program, population, no-intervention control, endpoint, duration, denominators, precision and harms.", "application_exception": "Selected C and absent individual score and axes are retained, distinguishing parent C54 and other-dance-specific superiority D. No-intervention program effects are not converted into effects unique to tango movements, or within-group P values into between-group effects. Allocation, analysis, exclusions and activity-retention proportions are not newly calculated. No new effects, CIs, denominators, unique totals, grades or individual-care guidance are created.", "criterion": "Original material on Selected C, absent score, parent C54, axes, 2026-09-07 and correction history must link to the same question, control, endpoint, time point and denominators, distinguishing within- and between-group results, parent context and unread external materials.", "basis": "Preserved principles distinguishing questions, direct comparisons, reports and trials, endpoints, denominators, precision and harms informed production.", "condition_origin": "These are evidence conditions for the existing balance, gait and participation question versus no intervention. They do not establish preregistration, execution of an official assessment tool or completed clinical content review.", "proposed_research": "Material needed: Historical cross-checking and parent I2/R1 are not inherited as selected axes, new review or independent clinical certification. New literature, registration and retraction searches were not performed. This records needed materials; no new research was executed.", "current_reports": [ "S01", "S02" ], "existence": "Displayed selected and parent records exist in the stored summary. External availability, acquisition, content and reading of detailed materials remain separately unverified.", "acquired_read": "Complete stored parent Korean and English summary, selected question and bibliography read; external abstracts, full text, registration, protocols and analysis plans unread", "observation": "Selected C and absent individual score, bilingual notes, parent C54 and axes, bilingual records, original evidence date 2026-09-07 and empty correction and deliberation records are preserved. Review of existing content remains incomplete.", "condition_status": "Partly verified", "status_reason": "This state links partial information and gaps in the preserved selected and parent accounts. External verification and clinical content review remain incomplete; it does not certify fulfilled conditions, efficacy, safety, prespecification or independence.", "missingness": "Historical cross-checking and parent I2/R1 are not inherited as selected axes, new review or independent clinical certification. New literature, registration and retraction searches were not performed.", "uncertainty": "Exact functional effects, between-group participation estimates, effective denominators, prespecified hierarchy, allocation and measurement, missingness, important differences, durability, harms and independence remain unverified. Original numbers and historical verification accounts are not promoted into new calculations, completed content review or clinical certification.", "review_date": null, "reading_status": "Full text not read · Stored summary read", "additional_material": "Historical cross-checking and parent I2/R1 are not inherited as selected axes, new review or independent clinical certification. New literature, registration and retraction searches were not performed." } ], "reports": [ { "report_id": "S01", "title": "Hackney ME·Earhart GM. 2009", "url": "https://pubmed.ncbi.nlm.nih.gov/19479161/", "report_type": "3-arm randomized tango, waltz/foxtrot and no-intervention trial", "existence": "Bibliography retained in the stored account; external identity unverified", "acquired_read": "The complete stored parent Korean and English summary, original evidence and citations were read. External papers, abstracts, full texts, registration, protocols and analysis plans were unread in this work.", "study_family": "Parent 3015 no-intervention and other-dance questions share 2 reports. The original account of overlapping research networks is retained. Exact cohort overlap and unique trial, participant and independent-replication totals remain unverified.", "independent_replication": "Parent 3015 no-intervention and other-dance questions share 2 reports. The original account of overlapping research networks is retained. Exact cohort overlap and unique trial, participant and independent-replication totals remain unverified.", "observed_result": "The original account describes selected functional improvements in both dances over no intervention in 58 participants, 20 classes and 13 weeks, with tango equal or superior on some measures. Improvements in BBS, 6-minute walk and backward stride are distinguished from listed UPDRS.", "result_level": "Exact endpoint-specific between-group effects, P values, CIs, effective denominators and prespecified hierarchy remain unverified. The whole program versus no intervention is distinguished from specific superiority over another dance.", "source_evidence_date": "2026-09-07", "materials": [ { "material_type": "Stored existing review summary", "public_status": "Preserved copy of the complete parent-verdict stored summary", "access_status": "Stored summary", "acquired": true, "actually_read": "Summary read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "External paper", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Registration material", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Protocol", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Statistical analysis plan", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Funding, product support and COI material", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID19479161 and DOI10.2340/16501977-0362 and original descriptions of NIH and academic support, no manufacturer involvement, small sample, multiple endpoints and lack of masking are retained. Detailed contracts, nonfinancial interests and newly validated independence remain unverified. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." } ], "links": [ { "label": "PubMed", "url": "https://pubmed.ncbi.nlm.nih.gov/19479161/" } ] }, { "report_id": "S02", "title": "Foster ER et al. 2013", "url": "https://pubmed.ncbi.nlm.nih.gov/22902795/", "report_type": "12-month tango versus no-intervention participation trial", "existence": "Bibliography retained in the stored account; external identity unverified", "acquired_read": "The complete stored parent Korean and English summary, original evidence and citations were read. External papers, abstracts, full texts, registration, protocols and analysis plans were unread in this work.", "study_family": "Parent 3015 no-intervention and other-dance questions share 2 reports. The original account of overlapping research networks is retained. Exact cohort overlap and unique trial, participant and independent-replication totals remain unverified.", "independent_replication": "Parent 3015 no-intervention and other-dance questions share 2 reports. The original account of overlapping research networks is retained. Exact cohort overlap and unique trial, participant and independent-replication totals remain unverified.", "observed_result": "After excluding 10 who did not receive their allocation from 62 randomized, 52 participants, 26 per group, were analyzed. Tango activity retention of 77% to 90%, P=.006, and control around 80%, P=.60, are within-group records; the key between-group estimate was not presented.", "result_level": "Activity Card Sort participation is distinguished from short-term function. Original exclusion reasons and denominators are retained without calculating new exclusion rates, between-group effects or CIs. Masking, missingness, original plans and durability after stopping remain unverified.", "source_evidence_date": "2026-09-07", "materials": [ { "material_type": "Stored existing review summary", "public_status": "Preserved copy of the complete parent-verdict stored summary", "access_status": "Stored summary", "acquired": true, "actually_read": "Summary read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "External paper", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Registration material", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Protocol", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Statistical analysis plan", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." }, { "material_type": "Funding, product support and COI material", "public_status": "Original bibliographic link or needed material; external public availability/access status unverified", "access_status": "Unread; access not attempted", "acquired": false, "actually_read": "Not read", "as_of": "2026-09-07", "qualification": "PMID22902795, PMCID PMC3557593 and DOI10.1016/j.apmr.2012.07.028 are retained. PMCID is a literature identifier, not a trial registration identifier. NIH and academic support, overlap with the earlier research network, post-allocation exclusion, no intervention and within-group P values are original records. The material date 2026-09-07 is the historical evidence date, originally attached even to unread external materials. It is not a new acquisition, access, reading or completed-review date. Unverified registration is not converted into absence of registration." } ], "links": [ { "label": "PubMed", "url": "https://pubmed.ncbi.nlm.nih.gov/22902795/" } ] } ], "method_sources": [ { "id": "M03", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2023-08", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-03", "section": "§3.1, §3.2.1–3.2.3, MECIR C5/C7/C13", "official_principle": "Clearly record the question, eligibility conditions and reasons for changes, and distinguish variations in interventions.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M04", "version": "Cochrane Handbook 6.5.1 (2025), chapter updated 2025-03", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-04", "section": "§4.5, §4.6.1–4.6.3, MECIR C42", "official_principle": "Distinguish studies from reports and link them; do not omit a study solely because results are unreported.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M08", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2019-10", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-08", "section": "§8.1–8.2.3, Table 8.2.a", "official_principle": "Define the outcome and effect of interest, then examine randomization, deviations, missing data, measurement and selective reporting.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M15", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2023-08", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-15", "section": "§15.2.4, §15.3.1–15.3.3", "official_principle": "Distinguish effect estimates, intervals, importance and applicability. Sample size alone does not determine precision.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." }, { "id": "M19", "version": "Cochrane Handbook 6.5 (2024), chapter updated 2019-10", "url": "https://www.cochrane.org/authors/handbooks-and-manuals/handbook/current/chapter-19", "section": "§19.1.2, §19.2.1–19.2.4", "official_principle": "Harm questions may require different designs, populations and follow-up from efficacy questions. Case reports do not establish incidence rates.", "review_level": "Existing methodological links were reused for production. External originals were not reread and methodological content was not reassessed." } ], "status_dictionary": { "Partly verified": "Partial information from the stored summary is linked; detailed originals and content review remain incomplete.", "Unverified": "Required details cannot be established within the preserved scope. This does not establish absence of effects or studies, or safety.", "Review incomplete": "Review of existing content remains incomplete.", "Met": "This state is used only within the relevant conditions after material verification and content review. It was not automatically assigned in this work.", "Not reported": "Unreported within material actually read. Unread external material is not relabeled as unreported.", "Inaccessible": "This means actual access failure. External access was not attempted in this work, so this state was not assigned.", "Not applicable": "Used only with an application exception and reason based on the question scope.", "Conflicting data": "This requires actual comparison of materials; no new conflict judgment was made in this work.", "Insufficient evidence for the conditions": "This indicates gaps in additional material for the selected conditions. Unread material as a whole is not converted into an efficacy grade." }, "study_overlap": { "state": "Unverified", "unique_trial_count": null, "unique_participant_count": null, "reason": "Parent 3015 no-intervention and other-dance questions share 2 reports. The original account of overlapping research networks is retained. Exact cohort overlap and unique trial, participant and independent-replication totals remain unverified." }, "history": [ { "date": "2026-10-21", "kind": "Separation of public-facing pages and materials", "view_version": "1.0", "change": "Public-facing views and materials were prepared from the existing 27 items. No new clinical search, verification-status change or scoring was performed." } ], "language": "en", "translation_date": "2026-10-21" }