CHAMGAP

Two-year caloric restriction × reduced PC PhenoAge and PC GrimAge: a checklist of measure-specific evidence gaps

Select a review item to see its details.
Required evidence, verification status and materials actually read
ItemAVerification statusBReading scopeCReview itemDCurrent findingsEWhy unverifiedFRequired materials and conditionsGFurther research
1 Partly verified Full text not readStored summary read N01 · Comparative efficacyAre the original PC PhenoAge and PC GrimAge claim and subclaim assessment separated from the parent slowing context?Required
The original subclaim is 'Reduced PC PhenoAge and PC GrimAge', with grade D and a note that neither measure changed significantly. The parent overall assessment, including DunedinPACE, is C54 with Unknown safety.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The subclaim has no score, status or axes; parent values are not used to fill them. No new assessment is made.
Records of the subclaim's original wording, grade and note and the parent context
Connect additional original material for each measure separately to the subclaim question and parent context.
2 Partly verified Full text not readStored summary read N02 · Comparative efficacyDo the two PC measures concern healthy non-obese adults?Required
The original paper is a post hoc analysis of 220 healthy non-obese adults in CALERIE at three US sites.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Findings are not automatically extended to direct effects in aging-related disease, obesity, other ages or frail populations. Detailed eligibility and baseline values have not been read.
Eligibility, baseline condition, age, BMI and group denominators
Obtain original population and baseline characteristics and numbers analyzed for each measure.
3 Partly verified Full text not readStored summary read N03 · Comparative efficacyAre the 25% target and about 12% achieved restriction distinguished as study exposures?Required
The original target is recorded as 25%, with average achieved restriction of about 12%.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. These are historical study conditions rather than personal calorie or weight-loss targets. The two PC findings are not assumed to be effects of the target exposure.
Original plans, achieved restriction, duration, adherence and measurements
Obtain original exposure measurements, individual adherence, restriction achieved over time and support records.
4 Partly verified Full text not readStored summary read N04 · Comparative efficacyIs the actual comparison of control diets, support and concurrent changes available?Required
The parent's randomized two-year caloric-restriction context is preserved.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Detailed control diets, exposures, contact and support are absent from the original summary. Equivalent nutrient composition or weight changes are not invented.
Actual diets, contact, support and concurrent management by group
Obtain original intervention, control, support, achieved-exposure and concurrent-change material.
5 Partly verified Full text not readStored summary read N05 · Comparative efficacyAre 220 randomized participants and the 197-person DNA analysis time-specific PC denominators?Required
There were 220 participants randomized 2:1; the DNA analysis included 197 participants with baseline and at least one follow-up sample.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Group sizes are not calculated from 2:1 allocation. The 197 participants are not assumed to be the denominator for all PC outcomes at 12 or 24 months.
Group allocation, DNA samples and analysis denominators by measure and time
Obtain group samples and analysis flows and denominators by time and measure.
6 Partly verified Full text not readStored summary read N06 · Comparative efficacyAre gaps in DNA sample selection, missingness, follow-up and models preserved?Required
The original account requires baseline and at least one follow-up sample for DNA inclusion.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Group exclusions, time-specific missingness, ITT, data processing and sensitivity analyses have not been read. New attrition rates or differences are not calculated.
Missingness, selection, analysis populations, sensitivity analyses and models by measure
Obtain original DNA selection, missingness, models and sensitivity material.
7 Partly verified Full text not readStored summary read N07 · Comparative efficacyAre the definition, units and original individual effects of PC PhenoAge directly available?Required
PC PhenoAge is one of the three original measures and is recorded as not significantly changed.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The endpoints of the d −0.04 to 0.05 range in the original rationale are not assigned as a particular time-specific PC PhenoAge effect. Individual CIs, P values and unit details have not been read.
Definitions, units, time points, denominators, effects and intervals for individual measures
Obtain original PC PhenoAge definitions, effects, CIs, P values and denominators by time.
8 Partly verified Full text not readStored summary read N08 · Comparative efficacyAre the definition, units and original individual effects of PC GrimAge directly available?Required
PC GrimAge is also one of the three original measures and is recorded as not significantly changed.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The endpoints of the d range are not assigned as a particular PC GrimAge effect. Individual CIs, P values, denominators and algorithm definitions have not been read.
Definitions, units, time points, denominators, effects and intervals for individual measures
Obtain original PC GrimAge definitions, effects, CIs, P values and denominators by time.
9 Partly verified Full text not readStored summary read N09 · Comparative efficacyAre the d range and P threshold presented jointly for the two measures distinguished from individual values?Required
The original account describes the two PC measures as null, with d −0.04 to 0.05 and P>0.15.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The range is not converted into a new mean, point estimates for each measure, exact P values or CIs. Zero effects or equivalence are not certified.
Detailed tables of original effects, intervals and tests by measure and time
Obtain original tables of individual effects, CIs, tests, models and denominators.
10 Unverified Full text not readStored summary read N10 · Comparative efficacyAre PC outcomes at 12 and 24 months preserved separately by time?Required
The original rationale gives DunedinPACE results at 12 and 24 months specifically, but describes the two PC measures as null only within a summary range.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Time-specific DunedinPACE d values, CIs and P values are not copied as PC values. Individual time-specific PC values remain unverified.
PC values, changes, between-group effects and denominators at each time
Obtain original tables and analysis denominators for both PC measures at each time.
11 Partly verified Full text not readStored summary read N11 · Comparative efficacyHas the positive DunedinPACE signal been kept separate from PC reductions?Required
The original DunedinPACE signal is preserved: d=−0.29 (95% CI −0.45 to −0.13) at 12 months, d=−0.25 (−0.41 to −0.09) at 24 months, original P<0.003 and roughly 2~3% slowing.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. This measure's slowing is not used to fill in reductions in PC PhenoAge or PC GrimAge. A 24-month CI level or individual P values are not newly added.
Results, units, time points and direct original effects by measure
Connect original effects, intervals, time points and models separately by measure.
12 Partly verified Full text not readStored summary read N12 · Comparative efficacyDo the PC age measures and DunedinPACE pace measure quantify the same thing?Required
The original account separates three DNA-methylation clocks or measures and describes DunedinPACE as a surrogate pace-of-aging measure.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Pace changes, PC reductions and clinical aging itself are not combined as the same value. Exact measure-specific definitions, units and validation have not been read.
Purpose, definitions, units, validation and applicability of each measure
Obtain original methods, units and validation material separately for each measure.
13 Unverified Full text not readStored summary read N13 · Comparative efficacyAre DNA laboratory methods, batches, normalization and PC calculation directly preserved?Required
The design is a post hoc DNA-methylation analysis; the original account records laboratory analyst blinding.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. PC algorithm, measurement, batch and normalization details are not invented, and new PC scores are not calculated from original data.
Original methods for samples, platforms, batches, normalization and PC calculation
Obtain original laboratory, measure-calculation and data-processing methods.
14 Partly verified Full text not readStored summary read N14 · Comparative efficacyAre the post hoc analysis and the parent's prespecified clinical primary plan separated?Required
The paper is explicitly post hoc, and the original account states that this was not the parent's prespecified clinical primary endpoint.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The two PC measures are not newly designated as prespecified clinical coprimary endpoints. Registration and SAP remain unread in this production.
Original registration, protocol, SAP, analysis selection, changes and hierarchy
Obtain parent plans and records of post hoc measure selection, hierarchy and changes.
15 Partly verified Full text not readStored summary read N15 · Comparative efficacyAre the split findings across three key measures and plans for multiple time points and tests preserved?Required
The original assessment that only one of three measures was positive and the parent's split-key-measures flag set to true are preserved.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The original split-results axis is not converted into a prespecified clinical primary designation. Adjustments for nonsignificant PC findings or positive DunedinPACE findings are not invented.
Original plans for three measures, time points, effects of interest, multiplicity and selective reporting
Obtain tests and adjustments by measure and time, original outcome lists and selective-reporting records.
16 Partly verified Full text not readStored summary read N16 · Comparative efficacyAre null or nonsignificant findings distinguished from exclusion of a clinically important effect or equivalence?Required
The original account states that there was no clinical minimum-effect threshold or prespecified success boundary and records null findings for both PC measures.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. P>0.15 without individual CIs does not newly certify exclusion of all meaningful reductions or equivalence.
Individual CIs, validated thresholds and prespecified success boundaries
Obtain original CIs, clinical-importance validation and prespecified plans for each PC measure.
17 Partly verified Full text not readStored summary read N17 · Comparative efficacyAre blinding and allocation procedures recorded at their actual measure-specific scope?Required
The original Korean account says analysts were unaware of allocation; the English account specifies 'laboratory analysts blinded'. The 2:1 randomized design is preserved.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Participant, intervention-provider or all-analyst blinding and allocation concealment are not described as newly verified.
Parent allocation, laboratory analysts, statistical analysis and measurement methods
Obtain original allocation, laboratory and analyst roles and blinding procedures.
18 Unverified Full text not readStored summary read N18 · Comparative efficacyIs the relationship between achieved exposure, weight or nutrient changes and PC effects directly verified?Required
The original information that target and achieved average restriction differed is preserved.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. PC effects by achieved restriction, mechanisms and causal relationships with weight changes are not newly calculated or confirmed.
Achieved restriction, adherence, concurrent changes and prespecified mediation or effects of interest
Obtain original achieved exposure, adherence, concurrent changes, models and plans.
19 Unverified Full text not readStored summary read N19 · Comparative efficacyDo gaps remain concerning post-intervention persistence, later measures and mechanisms?Required
The original intervention lasted two years, and the stored summary has no quantitative post-intervention PC persistence effects.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Post-intervention PC reductions, rebound or all-mechanism effects are not invented.
Follow-up duration, measures, denominators, original effects and direct mechanism measurements
Obtain direct post-intervention measures, models, denominators and follow-up material.
20 Partly verified Full text not readStored summary read N20 · Comparative efficacyDo null PC findings establish null results for all clinical aging, disease or lifespan outcomes?Required
The original account states that reduced disease, disability or death was not measured and healthy lifespan was not answered.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Null PC findings are not recast as null clinical effects overall; the DunedinPACE signal is not recast as benefits for rejuvenation, lifespan or independent living.
Direct clinical endpoints, follow-up, events, denominators and effects
Direct events, long-term follow-up and original effects are needed for each clinical question.
21 Partly verified Full text not readStored summary read N21 · Comparative efficacyAre the same CALERIE report, measures and time points kept from being counted as new independent replication?Required
Both subclaim sheets share the same post hoc paper, 220 randomized participants and 197-person DNA data.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Different measures, time points or sheets are not summed as independent trials or new participants. Final unique trial, participant and independent counts remain unrecorded.
Relationships among the parent trial, post hoc report, same participants and sibling sheets
Connect additional reports through original trial identifiers while retaining same-population relationships.
22 Partly verified Full text not readStored summary read N22 · Comparative efficacyAre funding, DunedinPACE inventors and commercial licensing preserved alongside the PC findings?Required
Support from NIA, American Brain Foundation, CIHR and others, authorship by DunedinPACE inventors D.L. Corcoran and D.W. Belsky, and commercial licensing are preserved.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The same invention or licensing interests are not newly added for the PC measures. Product or service provision, employee affiliations and outside-analysis details have not been read.
Funding, invention, licensing, affiliations, provision and analysis roles
Obtain original funding, measure-related disclosures, affiliations, analysis and manuscript roles.
23 Partly verified Full text not readStored summary read N23 · Supplementary harm evidenceAre absent safety reporting in this analysis and parent-trial harms separated?Required
This post hoc analysis did not report safety as an endpoint, and original safety is Unknown.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Null PC findings or positive DunedinPACE findings are not used as evidence of safety. They are not extended to absence of all harms in the parent CALERIE trial.
Analysis-specific and parent-trial harm plans, collection, events by group and denominators
Obtain original parent-trial harm collection, events, exposure, discontinuation and denominators.
24 Unverified Full text not readStored summary read N24 · Supplementary harm evidenceWhat gaps concern achieved two-year exposure, rare harms, discontinuation and long-term follow-up?Required
The original account explicitly states that this analysis cannot determine harms of long-term caloric restriction.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Harm counts, rates, CIs or specific nutritional harms outside the original account are not invented. Null results for two measures are not assumed to mean no harms.
Direct harms by group exposure, severity, discontinuation and duration
Obtain original trial and follow-up harm, exposure, discontinuation and rare-event material.
25 Unverified Full text not readStored summary read N25 · Supplementary harm evidenceAre harm replication, applicability and instructions for other populations or dietary exposures distinguished?Required
The current material concerns historical two-year study conditions in healthy non-obese adults.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Effects or harms for other populations or dietary methods are not newly confirmed; personal calorie, diet, weight-loss or treatment guidance is not created.
Direct effects or harms and report relationships by population and exposure
Connect direct comparison and harm material for new populations or exposures separately.
26 Partly verified Full text not readStored summary read N26 · Comparative efficacyAre the stored summary and actual access to external abstracts, full text, registration and SAP distinguished?Required
The original PubMed link and NCT00427193 are preserved, and the entire parent summary was read for production.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. A registration URL is not newly constructed, and all external materials remain unread. Separate links, screens and content review were not checked during original production.
Original links, registration identifiers, preserved original material and material-specific access records
Connect provided original material with its actual material-specific access status.
27 Partly verified Full text not readStored summary read N27 · Comparative efficacyAre the reference date, Korean and English text, empty values, subclaim and parent values, and production status preserved?Supplementary
The 2026-08-26 reference date, empty correction and deliberation values, Korean and English text, parent C54, original axes and subclaim D are preserved. Original pending and production-eligible markers are historical.
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The absent subclaim score is not filled in. The original content review remains incomplete; model, content and scope review activation and completion remain false, added assessment units are 0 and the final independent count is unrecorded.
Distinction among original text, assessment records, dates, corrections, candidate history and review status
Proposal: Reflect additional materials and decisions through preservation of original wording and separate events.
No items match your search or filter.

27 itemsWhat the statuses mean

Assessment scope

Stored-material review date
Not recorded
Original evidence cut-off
2026-08-26
Scope actually checked
Existing review summaries and stored records of methodological application. Full papers, supplements, registrations, plans and original data were not read.
What the dates mean
This is the date the stored materials were checked, not the date of a new search of the clinical literature.
Population
Healthy non-obese adults in CALERIE; three US sites; detailed eligibility not read
Ingredient, formulation and route
Historical two-year caloric-restriction study intervention; not personal calorie, diet or weight-loss instructions
Dose
Original target of 25% and achieved average of about 12% preserved separately; individual and time-specific exposure details not read
Comparator
Parent randomized control group; specific control diet, support and concurrent management not read
Measured outcome
Selected reductions in PC PhenoAge and PC GrimAge; unverified measure-specific values and time points, and DunedinPACE preserved separately
Duration
Two-year study intervention; details of DunedinPACE at 12 and 24 months and time-specific PC outcomes unverified; post-intervention follow-up unverified
Questions outside this scope
Recasting a DNA measure as clinical rejuvenation, aging in general, disease, disability, death, lifespan or independent living; Treating target exposure and the achieved average as identical; Summing time points, measures, the 197-person DNA denominator or sibling sheets as new independent evidence; Personal calorie, dietary, weight-loss or treatment instructions

Evidence and sources

The links below lead to the sources. A link alone does not mean the original source was read or its latest publication status verified.

R01 · Waziry R, Ryan CP, Corcoran DL, et al. Effect of long-term caloric restriction on DNA methylation measures of biological aging in healthy adults from the CALERIE trial. Nat Aging. 2023;3:248-257. PMID: 37118425.

PubMed

Material type
Post hoc DNA-analysis report from the parent randomized trial
Materials actually read
Summary read; external materials not read
Findings recorded in the stored summary
Only DunedinPACE changed: d=−0.29 at 12 months and d=−0.25 at 24 months; the other two clocks were null
Record level
Stored evidence-list and narrative summaries; not direct reading of the original paper or registration
Study overlap and independent replication
Post hoc DNA analysis of the CALERIE parent randomized trial; the two subclaim sheets, measures and time points are shared, rather than separate new trials. Family IDs connect relationships and do not certify unique trial counts; reports, time points, measures, sibling sheets and the same participants are not newly summed as independent evidence.
Public availability, access and reading status by material
MaterialPublic availabilityAccess statusActually readNotes
local_summaryOriginal source link preservedSummary readSummary readPreserved parent verdict summary
abstractOriginal source link preservedNot readNot readExternal material unread; a URL does not mean acquisition, reading or completed review
fulltextNo separate URL in the original materialNot readNot readExternal material unread; a URL does not mean acquisition, reading or completed review
registrationNo separate URL in the original materialNot readNot readExternal material unread; a URL does not mean acquisition, reading or completed review
protocol_sapNo separate URL in the original materialNot readNot readExternal material unread; a URL does not mean acquisition, reading or completed review

Report counts versus independent study counts

Post hoc DNA analysis of the CALERIE parent randomized trial; the two subclaim sheets, measures and time points are shared, rather than separate new trials. Family IDs connect relationships and do not certify unique trial counts; reports, time points, measures, sibling sheets and the same participants are not newly summed as independent evidence.

Review criteria

Version 1.0 · Criteria record date 2026-10-06. These are Chamgap's own application conditions, informed by the referenced methods. They do not constitute official assessment-tool certification or a new efficacy score.

N01 · Are the original PC PhenoAge and PC GrimAge claim and subclaim assessment separated from the parent slowing context?
Required materials and conditions
Records of the subclaim's original wording, grade and note and the parent context
Conditions for verification
Records of the subclaim's original wording, grade and note and the parent context
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N02 · Do the two PC measures concern healthy non-obese adults?
Required materials and conditions
Eligibility, baseline condition, age, BMI and group denominators
Conditions for verification
Eligibility, baseline condition, age, BMI and group denominators
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N03 · Are the 25% target and about 12% achieved restriction distinguished as study exposures?
Required materials and conditions
Original plans, achieved restriction, duration, adherence and measurements
Conditions for verification
Original plans, achieved restriction, duration, adherence and measurements
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N04 · Is the actual comparison of control diets, support and concurrent changes available?
Required materials and conditions
Actual diets, contact, support and concurrent management by group
Conditions for verification
Actual diets, contact, support and concurrent management by group
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N05 · Are 220 randomized participants and the 197-person DNA analysis time-specific PC denominators?
Required materials and conditions
Group allocation, DNA samples and analysis denominators by measure and time
Conditions for verification
Group allocation, DNA samples and analysis denominators by measure and time
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N06 · Are gaps in DNA sample selection, missingness, follow-up and models preserved?
Required materials and conditions
Missingness, selection, analysis populations, sensitivity analyses and models by measure
Conditions for verification
Missingness, selection, analysis populations, sensitivity analyses and models by measure
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N07 · Are the definition, units and original individual effects of PC PhenoAge directly available?
Required materials and conditions
Definitions, units, time points, denominators, effects and intervals for individual measures
Conditions for verification
Definitions, units, time points, denominators, effects and intervals for individual measures
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N08 · Are the definition, units and original individual effects of PC GrimAge directly available?
Required materials and conditions
Definitions, units, time points, denominators, effects and intervals for individual measures
Conditions for verification
Definitions, units, time points, denominators, effects and intervals for individual measures
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N09 · Are the d range and P threshold presented jointly for the two measures distinguished from individual values?
Required materials and conditions
Detailed tables of original effects, intervals and tests by measure and time
Conditions for verification
Detailed tables of original effects, intervals and tests by measure and time
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N10 · Are PC outcomes at 12 and 24 months preserved separately by time?
Required materials and conditions
PC values, changes, between-group effects and denominators at each time
Conditions for verification
PC values, changes, between-group effects and denominators at each time
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N11 · Has the positive DunedinPACE signal been kept separate from PC reductions?
Required materials and conditions
Results, units, time points and direct original effects by measure
Conditions for verification
Results, units, time points and direct original effects by measure
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N12 · Do the PC age measures and DunedinPACE pace measure quantify the same thing?
Required materials and conditions
Purpose, definitions, units, validation and applicability of each measure
Conditions for verification
Purpose, definitions, units, validation and applicability of each measure
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N13 · Are DNA laboratory methods, batches, normalization and PC calculation directly preserved?
Required materials and conditions
Original methods for samples, platforms, batches, normalization and PC calculation
Conditions for verification
Original methods for samples, platforms, batches, normalization and PC calculation
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N14 · Are the post hoc analysis and the parent's prespecified clinical primary plan separated?
Required materials and conditions
Original registration, protocol, SAP, analysis selection, changes and hierarchy
Conditions for verification
Original registration, protocol, SAP, analysis selection, changes and hierarchy
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N15 · Are the split findings across three key measures and plans for multiple time points and tests preserved?
Required materials and conditions
Original plans for three measures, time points, effects of interest, multiplicity and selective reporting
Conditions for verification
Original plans for three measures, time points, effects of interest, multiplicity and selective reporting
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N16 · Are null or nonsignificant findings distinguished from exclusion of a clinically important effect or equivalence?
Required materials and conditions
Individual CIs, validated thresholds and prespecified success boundaries
Conditions for verification
Individual CIs, validated thresholds and prespecified success boundaries
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N17 · Are blinding and allocation procedures recorded at their actual measure-specific scope?
Required materials and conditions
Parent allocation, laboratory analysts, statistical analysis and measurement methods
Conditions for verification
Parent allocation, laboratory analysts, statistical analysis and measurement methods
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N18 · Is the relationship between achieved exposure, weight or nutrient changes and PC effects directly verified?
Required materials and conditions
Achieved restriction, adherence, concurrent changes and prespecified mediation or effects of interest
Conditions for verification
Achieved restriction, adherence, concurrent changes and prespecified mediation or effects of interest
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N19 · Do gaps remain concerning post-intervention persistence, later measures and mechanisms?
Required materials and conditions
Follow-up duration, measures, denominators, original effects and direct mechanism measurements
Conditions for verification
Follow-up duration, measures, denominators, original effects and direct mechanism measurements
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N20 · Do null PC findings establish null results for all clinical aging, disease or lifespan outcomes?
Required materials and conditions
Direct clinical endpoints, follow-up, events, denominators and effects
Conditions for verification
Direct clinical endpoints, follow-up, events, denominators and effects
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N21 · Are the same CALERIE report, measures and time points kept from being counted as new independent replication?
Required materials and conditions
Relationships among the parent trial, post hoc report, same participants and sibling sheets
Conditions for verification
Relationships among the parent trial, post hoc report, same participants and sibling sheets
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N22 · Are funding, DunedinPACE inventors and commercial licensing preserved alongside the PC findings?
Required materials and conditions
Funding, invention, licensing, affiliations, provision and analysis roles
Conditions for verification
Funding, invention, licensing, affiliations, provision and analysis roles
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N23 · Are absent safety reporting in this analysis and parent-trial harms separated?
Required materials and conditions
Analysis-specific and parent-trial harm plans, collection, events by group and denominators
Conditions for verification
Analysis-specific and parent-trial harm plans, collection, events by group and denominators
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N24 · What gaps concern achieved two-year exposure, rare harms, discontinuation and long-term follow-up?
Required materials and conditions
Direct harms by group exposure, severity, discontinuation and duration
Conditions for verification
Direct harms by group exposure, severity, discontinuation and duration
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N25 · Are harm replication, applicability and instructions for other populations or dietary exposures distinguished?
Required materials and conditions
Direct effects or harms and report relationships by population and exposure
Conditions for verification
Direct effects or harms and report relationships by population and exposure
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N26 · Are the stored summary and actual access to external abstracts, full text, registration and SAP distinguished?
Required materials and conditions
Original links, registration identifiers, preserved original material and material-specific access records
Conditions for verification
Original links, registration identifiers, preserved original material and material-specific access records
Requirement and applicability
Required
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
N27 · Are the reference date, Korean and English text, empty values, subclaim and parent values, and production status preserved?
Required materials and conditions
Distinction among original text, assessment records, dates, corrections, candidate history and review status
Conditions for verification
Distinction among original text, assessment records, dates, corrections, candidate history and review status
Requirement and applicability
Supplementary
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Referenced methods
Reduced PC PhenoAge and PC GrimAge
Referenced methods and the sections actually reviewed

M03 · Cochrane Handbook 6.5 (2024), chapter updated 2023-08

Official methodology · §3.1, §3.2.1–3.2.3, MECIR C5/C7/C13

Referenced principle
Clearly record the question, eligibility conditions and reasons for changes, and distinguish variations in interventions.
Extent of review
Preserved methodology connections were reused for preparation. No new review of methodological content, reassessment or external-link checks were performed.

M04 · Cochrane Handbook 6.5.1 (2025), chapter updated 2025-03

Official methodology · §4.5, §4.6.1–4.6.3, MECIR C42

Referenced principle
Distinguish studies from reports and link them; do not omit a study solely because results are unreported.
Extent of review
Preserved methodology connections were reused for preparation. No new review of methodological content, reassessment or external-link checks were performed.

M08 · Cochrane Handbook 6.5 (2024), chapter updated 2019-10

Official methodology · §8.1–8.2.3, Table 8.2.a

Referenced principle
Define the outcome and effect of interest, then examine randomization, deviations, missing data, measurement and selective reporting.
Extent of review
Preserved methodology connections were reused for preparation. No new review of methodological content, reassessment or external-link checks were performed.

M15 · Cochrane Handbook 6.5 (2024), chapter updated 2023-08

Official methodology · §15.2.4, §15.3.1–15.3.3

Referenced principle
Distinguish effect estimates, intervals, importance and applicability. Sample size alone does not determine precision.
Extent of review
Preserved methodology connections were reused for preparation. No new review of methodological content, reassessment or external-link checks were performed.

M19 · Cochrane Handbook 6.5 (2024), chapter updated 2019-10

Official methodology · §19.1.2, §19.2.1–19.2.4

Referenced principle
Harm questions may require different designs, populations and follow-up from efficacy questions. Case reports do not establish incidence rates.
Extent of review
Preserved methodology connections were reused for preparation. No new review of methodological content, reassessment or external-link checks were performed.
What the statuses mean
Partly verified
Some information exists in the preserved review summary; detailed original materials remain unverified. This does not certify a passed review or clinical efficacy.
Unverified
Detailed materials for the selected condition could not be established within the stored scope; this does not mean zero effect, zero studies or safety
Review incomplete
Review of existing content incomplete
Met
Use only within the relevant conditions after existing content review; no automatic designation in this preparation
Not reported
Distinguish only within materials actually read; do not turn unread external materials into unreported findings
Inaccessible
Not applied during this preparation because actual access was not tested
Not applicable
Use with a reason for non-applicability based on an explicit question boundary
Conflicting data
Judge after actual material comparison; review was not performed during this preparation
Insufficient evidence for the conditions
Do not use as a clinical grade encompassing currently unread materials

Change history

2026-10-11 · Public page/material version 1.0

Public pages and materials were prepared from the existing 27 items. No new clinical search, verification-status change or scoring was performed.

The stored-material review date (Not recorded) and original evidence cut-off (2026-08-26) were retained unchanged.

Researcher downloads

These materials provide the same evidence, scope and verification status as this page.

View all item details

N01 · Are the original PC PhenoAge and PC GrimAge claim and subclaim assessment separated from the parent slowing context?

Current findings
The original subclaim is 'Reduced PC PhenoAge and PC GrimAge', with grade D and a note that neither measure changed significantly. The parent overall assessment, including DunedinPACE, is C54 with Unknown safety.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The subclaim has no score, status or axes; parent values are not used to fill them. No new assessment is made.
Reason for missing information
The subclaim has no score, status or axes; parent values are not used to fill them. No new assessment is made.
Required materials and conditions
Records of the subclaim's original wording, grade and note and the parent context
Materials to obtain first
The subclaim has no score, status or axes; parent values are not used to fill them. No new assessment is made.
Further research
Connect additional original material for each measure separately to the subclaim question and parent context.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Records of the subclaim's original wording, grade and note and the parent context
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N02 · Do the two PC measures concern healthy non-obese adults?

Current findings
The original paper is a post hoc analysis of 220 healthy non-obese adults in CALERIE at three US sites.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Findings are not automatically extended to direct effects in aging-related disease, obesity, other ages or frail populations. Detailed eligibility and baseline values have not been read.
Reason for missing information
Findings are not automatically extended to direct effects in aging-related disease, obesity, other ages or frail populations. Detailed eligibility and baseline values have not been read.
Required materials and conditions
Eligibility, baseline condition, age, BMI and group denominators
Materials to obtain first
Findings are not automatically extended to direct effects in aging-related disease, obesity, other ages or frail populations. Detailed eligibility and baseline values have not been read.
Further research
Obtain original population and baseline characteristics and numbers analyzed for each measure.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Eligibility, baseline condition, age, BMI and group denominators
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N03 · Are the 25% target and about 12% achieved restriction distinguished as study exposures?

Current findings
The original target is recorded as 25%, with average achieved restriction of about 12%.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. These are historical study conditions rather than personal calorie or weight-loss targets. The two PC findings are not assumed to be effects of the target exposure.
Reason for missing information
These are historical study conditions rather than personal calorie or weight-loss targets. The two PC findings are not assumed to be effects of the target exposure.
Required materials and conditions
Original plans, achieved restriction, duration, adherence and measurements
Materials to obtain first
These are historical study conditions rather than personal calorie or weight-loss targets. The two PC findings are not assumed to be effects of the target exposure.
Further research
Obtain original exposure measurements, individual adherence, restriction achieved over time and support records.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Original plans, achieved restriction, duration, adherence and measurements
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N04 · Is the actual comparison of control diets, support and concurrent changes available?

Current findings
The parent's randomized two-year caloric-restriction context is preserved.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Detailed control diets, exposures, contact and support are absent from the original summary. Equivalent nutrient composition or weight changes are not invented.
Reason for missing information
Detailed control diets, exposures, contact and support are absent from the original summary. Equivalent nutrient composition or weight changes are not invented.
Required materials and conditions
Actual diets, contact, support and concurrent management by group
Materials to obtain first
Detailed control diets, exposures, contact and support are absent from the original summary. Equivalent nutrient composition or weight changes are not invented.
Further research
Obtain original intervention, control, support, achieved-exposure and concurrent-change material.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Actual diets, contact, support and concurrent management by group
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N05 · Are 220 randomized participants and the 197-person DNA analysis time-specific PC denominators?

Current findings
There were 220 participants randomized 2:1; the DNA analysis included 197 participants with baseline and at least one follow-up sample.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Group sizes are not calculated from 2:1 allocation. The 197 participants are not assumed to be the denominator for all PC outcomes at 12 or 24 months.
Reason for missing information
Group sizes are not calculated from 2:1 allocation. The 197 participants are not assumed to be the denominator for all PC outcomes at 12 or 24 months.
Required materials and conditions
Group allocation, DNA samples and analysis denominators by measure and time
Materials to obtain first
Group sizes are not calculated from 2:1 allocation. The 197 participants are not assumed to be the denominator for all PC outcomes at 12 or 24 months.
Further research
Obtain group samples and analysis flows and denominators by time and measure.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Group allocation, DNA samples and analysis denominators by measure and time
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N06 · Are gaps in DNA sample selection, missingness, follow-up and models preserved?

Current findings
The original account requires baseline and at least one follow-up sample for DNA inclusion.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Group exclusions, time-specific missingness, ITT, data processing and sensitivity analyses have not been read. New attrition rates or differences are not calculated.
Reason for missing information
Group exclusions, time-specific missingness, ITT, data processing and sensitivity analyses have not been read. New attrition rates or differences are not calculated.
Required materials and conditions
Missingness, selection, analysis populations, sensitivity analyses and models by measure
Materials to obtain first
Group exclusions, time-specific missingness, ITT, data processing and sensitivity analyses have not been read. New attrition rates or differences are not calculated.
Further research
Obtain original DNA selection, missingness, models and sensitivity material.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Missingness, selection, analysis populations, sensitivity analyses and models by measure
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N07 · Are the definition, units and original individual effects of PC PhenoAge directly available?

Current findings
PC PhenoAge is one of the three original measures and is recorded as not significantly changed.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The endpoints of the d −0.04 to 0.05 range in the original rationale are not assigned as a particular time-specific PC PhenoAge effect. Individual CIs, P values and unit details have not been read.
Reason for missing information
The endpoints of the d −0.04 to 0.05 range in the original rationale are not assigned as a particular time-specific PC PhenoAge effect. Individual CIs, P values and unit details have not been read.
Required materials and conditions
Definitions, units, time points, denominators, effects and intervals for individual measures
Materials to obtain first
The endpoints of the d −0.04 to 0.05 range in the original rationale are not assigned as a particular time-specific PC PhenoAge effect. Individual CIs, P values and unit details have not been read.
Further research
Obtain original PC PhenoAge definitions, effects, CIs, P values and denominators by time.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Definitions, units, time points, denominators, effects and intervals for individual measures
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N08 · Are the definition, units and original individual effects of PC GrimAge directly available?

Current findings
PC GrimAge is also one of the three original measures and is recorded as not significantly changed.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The endpoints of the d range are not assigned as a particular PC GrimAge effect. Individual CIs, P values, denominators and algorithm definitions have not been read.
Reason for missing information
The endpoints of the d range are not assigned as a particular PC GrimAge effect. Individual CIs, P values, denominators and algorithm definitions have not been read.
Required materials and conditions
Definitions, units, time points, denominators, effects and intervals for individual measures
Materials to obtain first
The endpoints of the d range are not assigned as a particular PC GrimAge effect. Individual CIs, P values, denominators and algorithm definitions have not been read.
Further research
Obtain original PC GrimAge definitions, effects, CIs, P values and denominators by time.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Definitions, units, time points, denominators, effects and intervals for individual measures
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N09 · Are the d range and P threshold presented jointly for the two measures distinguished from individual values?

Current findings
The original account describes the two PC measures as null, with d −0.04 to 0.05 and P>0.15.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The range is not converted into a new mean, point estimates for each measure, exact P values or CIs. Zero effects or equivalence are not certified.
Reason for missing information
The range is not converted into a new mean, point estimates for each measure, exact P values or CIs. Zero effects or equivalence are not certified.
Required materials and conditions
Detailed tables of original effects, intervals and tests by measure and time
Materials to obtain first
The range is not converted into a new mean, point estimates for each measure, exact P values or CIs. Zero effects or equivalence are not certified.
Further research
Obtain original tables of individual effects, CIs, tests, models and denominators.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Detailed tables of original effects, intervals and tests by measure and time
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N10 · Are PC outcomes at 12 and 24 months preserved separately by time?

Current findings
The original rationale gives DunedinPACE results at 12 and 24 months specifically, but describes the two PC measures as null only within a summary range.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Time-specific DunedinPACE d values, CIs and P values are not copied as PC values. Individual time-specific PC values remain unverified.
Reason for missing information
Time-specific DunedinPACE d values, CIs and P values are not copied as PC values. Individual time-specific PC values remain unverified.
Required materials and conditions
PC values, changes, between-group effects and denominators at each time
Materials to obtain first
Time-specific DunedinPACE d values, CIs and P values are not copied as PC values. Individual time-specific PC values remain unverified.
Further research
Obtain original tables and analysis denominators for both PC measures at each time.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
PC values, changes, between-group effects and denominators at each time
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N11 · Has the positive DunedinPACE signal been kept separate from PC reductions?

Current findings
The original DunedinPACE signal is preserved: d=−0.29 (95% CI −0.45 to −0.13) at 12 months, d=−0.25 (−0.41 to −0.09) at 24 months, original P<0.003 and roughly 2~3% slowing.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. This measure's slowing is not used to fill in reductions in PC PhenoAge or PC GrimAge. A 24-month CI level or individual P values are not newly added.
Reason for missing information
This measure's slowing is not used to fill in reductions in PC PhenoAge or PC GrimAge. A 24-month CI level or individual P values are not newly added.
Required materials and conditions
Results, units, time points and direct original effects by measure
Materials to obtain first
This measure's slowing is not used to fill in reductions in PC PhenoAge or PC GrimAge. A 24-month CI level or individual P values are not newly added.
Further research
Connect original effects, intervals, time points and models separately by measure.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Results, units, time points and direct original effects by measure
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N12 · Do the PC age measures and DunedinPACE pace measure quantify the same thing?

Current findings
The original account separates three DNA-methylation clocks or measures and describes DunedinPACE as a surrogate pace-of-aging measure.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Pace changes, PC reductions and clinical aging itself are not combined as the same value. Exact measure-specific definitions, units and validation have not been read.
Reason for missing information
Pace changes, PC reductions and clinical aging itself are not combined as the same value. Exact measure-specific definitions, units and validation have not been read.
Required materials and conditions
Purpose, definitions, units, validation and applicability of each measure
Materials to obtain first
Pace changes, PC reductions and clinical aging itself are not combined as the same value. Exact measure-specific definitions, units and validation have not been read.
Further research
Obtain original methods, units and validation material separately for each measure.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Purpose, definitions, units, validation and applicability of each measure
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N13 · Are DNA laboratory methods, batches, normalization and PC calculation directly preserved?

Current findings
The design is a post hoc DNA-methylation analysis; the original account records laboratory analyst blinding.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. PC algorithm, measurement, batch and normalization details are not invented, and new PC scores are not calculated from original data.
Reason for missing information
PC algorithm, measurement, batch and normalization details are not invented, and new PC scores are not calculated from original data.
Required materials and conditions
Original methods for samples, platforms, batches, normalization and PC calculation
Materials to obtain first
PC algorithm, measurement, batch and normalization details are not invented, and new PC scores are not calculated from original data.
Further research
Obtain original laboratory, measure-calculation and data-processing methods.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Original methods for samples, platforms, batches, normalization and PC calculation
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N14 · Are the post hoc analysis and the parent's prespecified clinical primary plan separated?

Current findings
The paper is explicitly post hoc, and the original account states that this was not the parent's prespecified clinical primary endpoint.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The two PC measures are not newly designated as prespecified clinical coprimary endpoints. Registration and SAP remain unread in this production.
Reason for missing information
The two PC measures are not newly designated as prespecified clinical coprimary endpoints. Registration and SAP remain unread in this production.
Required materials and conditions
Original registration, protocol, SAP, analysis selection, changes and hierarchy
Materials to obtain first
The two PC measures are not newly designated as prespecified clinical coprimary endpoints. Registration and SAP remain unread in this production.
Further research
Obtain parent plans and records of post hoc measure selection, hierarchy and changes.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Original registration, protocol, SAP, analysis selection, changes and hierarchy
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N15 · Are the split findings across three key measures and plans for multiple time points and tests preserved?

Current findings
The original assessment that only one of three measures was positive and the parent's split-key-measures flag set to true are preserved.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The original split-results axis is not converted into a prespecified clinical primary designation. Adjustments for nonsignificant PC findings or positive DunedinPACE findings are not invented.
Reason for missing information
The original split-results axis is not converted into a prespecified clinical primary designation. Adjustments for nonsignificant PC findings or positive DunedinPACE findings are not invented.
Required materials and conditions
Original plans for three measures, time points, effects of interest, multiplicity and selective reporting
Materials to obtain first
The original split-results axis is not converted into a prespecified clinical primary designation. Adjustments for nonsignificant PC findings or positive DunedinPACE findings are not invented.
Further research
Obtain tests and adjustments by measure and time, original outcome lists and selective-reporting records.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Original plans for three measures, time points, effects of interest, multiplicity and selective reporting
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N16 · Are null or nonsignificant findings distinguished from exclusion of a clinically important effect or equivalence?

Current findings
The original account states that there was no clinical minimum-effect threshold or prespecified success boundary and records null findings for both PC measures.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. P>0.15 without individual CIs does not newly certify exclusion of all meaningful reductions or equivalence.
Reason for missing information
P>0.15 without individual CIs does not newly certify exclusion of all meaningful reductions or equivalence.
Required materials and conditions
Individual CIs, validated thresholds and prespecified success boundaries
Materials to obtain first
P>0.15 without individual CIs does not newly certify exclusion of all meaningful reductions or equivalence.
Further research
Obtain original CIs, clinical-importance validation and prespecified plans for each PC measure.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Individual CIs, validated thresholds and prespecified success boundaries
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N17 · Are blinding and allocation procedures recorded at their actual measure-specific scope?

Current findings
The original Korean account says analysts were unaware of allocation; the English account specifies 'laboratory analysts blinded'. The 2:1 randomized design is preserved.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Participant, intervention-provider or all-analyst blinding and allocation concealment are not described as newly verified.
Reason for missing information
Participant, intervention-provider or all-analyst blinding and allocation concealment are not described as newly verified.
Required materials and conditions
Parent allocation, laboratory analysts, statistical analysis and measurement methods
Materials to obtain first
Participant, intervention-provider or all-analyst blinding and allocation concealment are not described as newly verified.
Further research
Obtain original allocation, laboratory and analyst roles and blinding procedures.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Parent allocation, laboratory analysts, statistical analysis and measurement methods
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N18 · Is the relationship between achieved exposure, weight or nutrient changes and PC effects directly verified?

Current findings
The original information that target and achieved average restriction differed is preserved.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. PC effects by achieved restriction, mechanisms and causal relationships with weight changes are not newly calculated or confirmed.
Reason for missing information
PC effects by achieved restriction, mechanisms and causal relationships with weight changes are not newly calculated or confirmed.
Required materials and conditions
Achieved restriction, adherence, concurrent changes and prespecified mediation or effects of interest
Materials to obtain first
PC effects by achieved restriction, mechanisms and causal relationships with weight changes are not newly calculated or confirmed.
Further research
Obtain original achieved exposure, adherence, concurrent changes, models and plans.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Achieved restriction, adherence, concurrent changes and prespecified mediation or effects of interest
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N19 · Do gaps remain concerning post-intervention persistence, later measures and mechanisms?

Current findings
The original intervention lasted two years, and the stored summary has no quantitative post-intervention PC persistence effects.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Post-intervention PC reductions, rebound or all-mechanism effects are not invented.
Reason for missing information
Post-intervention PC reductions, rebound or all-mechanism effects are not invented.
Required materials and conditions
Follow-up duration, measures, denominators, original effects and direct mechanism measurements
Materials to obtain first
Post-intervention PC reductions, rebound or all-mechanism effects are not invented.
Further research
Obtain direct post-intervention measures, models, denominators and follow-up material.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Follow-up duration, measures, denominators, original effects and direct mechanism measurements
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N20 · Do null PC findings establish null results for all clinical aging, disease or lifespan outcomes?

Current findings
The original account states that reduced disease, disability or death was not measured and healthy lifespan was not answered.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Null PC findings are not recast as null clinical effects overall; the DunedinPACE signal is not recast as benefits for rejuvenation, lifespan or independent living.
Reason for missing information
Null PC findings are not recast as null clinical effects overall; the DunedinPACE signal is not recast as benefits for rejuvenation, lifespan or independent living.
Required materials and conditions
Direct clinical endpoints, follow-up, events, denominators and effects
Materials to obtain first
Null PC findings are not recast as null clinical effects overall; the DunedinPACE signal is not recast as benefits for rejuvenation, lifespan or independent living.
Further research
Direct events, long-term follow-up and original effects are needed for each clinical question.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Direct clinical endpoints, follow-up, events, denominators and effects
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N21 · Are the same CALERIE report, measures and time points kept from being counted as new independent replication?

Current findings
Both subclaim sheets share the same post hoc paper, 220 randomized participants and 197-person DNA data.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Different measures, time points or sheets are not summed as independent trials or new participants. Final unique trial, participant and independent counts remain unrecorded.
Reason for missing information
Different measures, time points or sheets are not summed as independent trials or new participants. Final unique trial, participant and independent counts remain unrecorded.
Required materials and conditions
Relationships among the parent trial, post hoc report, same participants and sibling sheets
Materials to obtain first
Different measures, time points or sheets are not summed as independent trials or new participants. Final unique trial, participant and independent counts remain unrecorded.
Further research
Connect additional reports through original trial identifiers while retaining same-population relationships.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Relationships among the parent trial, post hoc report, same participants and sibling sheets
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N22 · Are funding, DunedinPACE inventors and commercial licensing preserved alongside the PC findings?

Current findings
Support from NIA, American Brain Foundation, CIHR and others, authorship by DunedinPACE inventors D.L. Corcoran and D.W. Belsky, and commercial licensing are preserved.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The same invention or licensing interests are not newly added for the PC measures. Product or service provision, employee affiliations and outside-analysis details have not been read.
Reason for missing information
The same invention or licensing interests are not newly added for the PC measures. Product or service provision, employee affiliations and outside-analysis details have not been read.
Required materials and conditions
Funding, invention, licensing, affiliations, provision and analysis roles
Materials to obtain first
The same invention or licensing interests are not newly added for the PC measures. Product or service provision, employee affiliations and outside-analysis details have not been read.
Further research
Obtain original funding, measure-related disclosures, affiliations, analysis and manuscript roles.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Funding, invention, licensing, affiliations, provision and analysis roles
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N23 · Are absent safety reporting in this analysis and parent-trial harms separated?

Current findings
This post hoc analysis did not report safety as an endpoint, and original safety is Unknown.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Null PC findings or positive DunedinPACE findings are not used as evidence of safety. They are not extended to absence of all harms in the parent CALERIE trial.
Reason for missing information
Null PC findings or positive DunedinPACE findings are not used as evidence of safety. They are not extended to absence of all harms in the parent CALERIE trial.
Required materials and conditions
Analysis-specific and parent-trial harm plans, collection, events by group and denominators
Materials to obtain first
Null PC findings or positive DunedinPACE findings are not used as evidence of safety. They are not extended to absence of all harms in the parent CALERIE trial.
Further research
Obtain original parent-trial harm collection, events, exposure, discontinuation and denominators.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Analysis-specific and parent-trial harm plans, collection, events by group and denominators
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N24 · What gaps concern achieved two-year exposure, rare harms, discontinuation and long-term follow-up?

Current findings
The original account explicitly states that this analysis cannot determine harms of long-term caloric restriction.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Harm counts, rates, CIs or specific nutritional harms outside the original account are not invented. Null results for two measures are not assumed to mean no harms.
Reason for missing information
Harm counts, rates, CIs or specific nutritional harms outside the original account are not invented. Null results for two measures are not assumed to mean no harms.
Required materials and conditions
Direct harms by group exposure, severity, discontinuation and duration
Materials to obtain first
Harm counts, rates, CIs or specific nutritional harms outside the original account are not invented. Null results for two measures are not assumed to mean no harms.
Further research
Obtain original trial and follow-up harm, exposure, discontinuation and rare-event material.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Direct harms by group exposure, severity, discontinuation and duration
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N25 · Are harm replication, applicability and instructions for other populations or dietary exposures distinguished?

Current findings
The current material concerns historical two-year study conditions in healthy non-obese adults.
Verification status
Unverified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. Effects or harms for other populations or dietary methods are not newly confirmed; personal calorie, diet, weight-loss or treatment guidance is not created.
Reason for missing information
Effects or harms for other populations or dietary methods are not newly confirmed; personal calorie, diet, weight-loss or treatment guidance is not created.
Required materials and conditions
Direct effects or harms and report relationships by population and exposure
Materials to obtain first
Effects or harms for other populations or dietary methods are not newly confirmed; personal calorie, diet, weight-loss or treatment guidance is not created.
Further research
Connect direct comparison and harm material for new populations or exposures separately.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Direct effects or harms and report relationships by population and exposure
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N26 · Are the stored summary and actual access to external abstracts, full text, registration and SAP distinguished?

Current findings
The original PubMed link and NCT00427193 are preserved, and the entire parent summary was read for production.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. A registration URL is not newly constructed, and all external materials remain unread. Separate links, screens and content review were not checked during original production.
Reason for missing information
A registration URL is not newly constructed, and all external materials remain unread. Separate links, screens and content review were not checked during original production.
Required materials and conditions
Original links, registration identifiers, preserved original material and material-specific access records
Materials to obtain first
A registration URL is not newly constructed, and all external materials remain unread. Separate links, screens and content review were not checked during original production.
Further research
Connect provided original material with its actual material-specific access status.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Original links, registration identifiers, preserved original material and material-specific access records
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01

N27 · Are the reference date, Korean and English text, empty values, subclaim and parent values, and production status preserved?

Current findings
The 2026-08-26 reference date, empty correction and deliberation values, Korean and English text, parent C54, original axes and subclaim D are preserved. Original pending and production-eligible markers are historical.
Verification status
Partly verified
Materials actually read
Summary read; external materials not read
Why unverified
Only the relevant information from the stored summary is recorded. Detailed original materials have not been read, and the original content review remains incomplete. The absent subclaim score is not filled in. The original content review remains incomplete; model, content and scope review activation and completion remain false, added assessment units are 0 and the final independent count is unrecorded.
Reason for missing information
The absent subclaim score is not filled in. The original content review remains incomplete; model, content and scope review activation and completion remain false, added assessment units are 0 and the final independent count is unrecorded.
Required materials and conditions
Distinction among original text, assessment records, dates, corrections, candidate history and review status
Materials to obtain first
The absent subclaim score is not filled in. The original content review remains incomplete; model, content and scope review activation and completion remain false, added assessment units are 0 and the final independent count is unrecorded.
Further research
Proposal: Reflect additional materials and decisions through preservation of original wording and separate events.
Remaining uncertainty
Unread/unverified does not mean zero effect, zero events, safety or new clinical certification.
Conditions for verification
Distinction among original text, assessment records, dates, corrections, candidate history and review status
Why this condition is needed
An individual condition for recording the selected measure, time, original values and applicability limits
Application exceptions
Unread external materials, other measures or out-of-scope outcomes do not establish that a condition is met, an effect is zero or safety is established.
Referenced methods
Reduced PC PhenoAge and PC GrimAge

Related sources R01