CHAMGAP
APPROVEDReviewed and approved by the Chamgap Editorial Team (2026-07-24). The draft was written by AI, the existence of all 2 cited sources was verified at the original page, and the verdict passed blind grading and adversarial audit. Methodology v0.6.
Verdict No. 1751 · Search date 2026-07-24 · Methodology v0.6

Multilayer compression bandaging,
does it really help with Faster complete healing of venous leg ulcers?

30-Second Summary
A
Evidence Grade A · 80 · Safety caution
Proper multilayer compression genuinely accelerates complete healing of venous leg ulcers
What the
research shows
Multilayer compression bandaging is rated A because it accelerates complete healing of venous leg ulcers. Morrell 1998 randomized 233 participants and analyzed all of them by intention to treat; the primary clinical endpoint, time to complete healing, succeeded (log-rank P=.03; 12-week healing 34% versus 24%). Shi 2021, Cochrane 2021(7):CD013397, compared compression with no compression in 14 randomized trials and 1,391 participants: complete healing in eight trials and 1,120 participants had RR 1.77 (1.41 to 2.21), I-squared=65%, while time to healing had HR 2.17 (1.52 to 3.10), I-squared=59%. Unmasked procedures, variation among bandage types, and moderate heterogeneity limit the score to the bottom of A, 80 points.
What the
ads claim
Marketing can omit bandage type, operator skill, wound care, and arterial assessment and imply that compression heals any leg wound. The evidence applies to properly delivered compression for venous leg ulcers.
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Useful facts when choosing a product

  • Multilayer systems combine padding and compression layers to provide therapeutic graduated pressure.
  • The venous cause and arterial circulation should be assessed before treatment, and trained clinicians should select pressure and wound care.
  • Worsening pain, pallor, cyanosis, coldness, or numbness requires prompt assessment for excessive pressure or arterial compromise.
Gap Measurement · Verdict 1751 · A 80
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

Morrell and colleagues randomized 233 people with venous leg ulcers to weekly four-layer bandaging in a specialist clinic, 120 participants, or usual district-nurse home care, 113 participants. The actual primary analysis was intention to treat in all 233 participants, and the primary endpoint of time to complete healing succeeded with log-rank P=.03; complete healing at 12 weeks was 34% versus 24%. Shi 2021, Cochrane 2021(7):CD013397, included 14 randomized trials and 1,391 participants comparing compression with no compression. Eight trials with 1,120 participants gave RR 1.77 (95% CI 1.41 to 2.21), I-squared=65%, for complete healing; five trials with 733 participants gave HR 2.17 (1.52 to 3.10), I-squared=59%, for time to healing. The heterogeneity values differ and are reported separately. The separate verdict 1357, which is D with 34 points, concerns graduated compression stockings for leg fatigue, while verdict 1494, which is A with 90 points, concerns medical intermittent pneumatic compression for DVT prevention. Both purposes differ entirely from ulcer healing, and neither evidence base was reused.

02

Why this is classified as A (80)

Success on a direct complete-healing primary endpoint in a 233-participant intention-to-treat trial and replication across 14 trials and 1,391 participants support A with 80 points. Unmasked procedures, variation among bandage types, moderate heterogeneity, and the specialist-clinic bundle prevent a higher score.

Counterpoint. With proper selection and skilled application, compression is a core treatment that increases both the probability and speed of healing.

Rejudgment record. Cross-check applied — A publicly funded intention-to-treat trial succeeded on the direct complete-healing primary endpoint and a 14-trial meta-analysis replicated it; unmasked procedures, variation among bandage types, and moderate heterogeneity limit the score to 80

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Increased complete healing within 12 monthsAEight randomized trials with 1,120 participants were repeatedly positive, with RR 1.77.
Shorter time to complete healingABoth the pivotal intention-to-treat trial and the five-trial synthesis were positive.
Reduction in ulcer-related painBThe Cochrane review suggests improvement, but evidence is less extensive than for healing.

Cross-check — Codex and Claude

This verdict was drafted by Codex through literature review and source-existence checks, cross-checked through blind grading and adversarial audit, and settled by reapplying the methodology boundary rules. Cases with split grades were resolved through rejudgment.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Morrell CJ et al. 1998Randomized controlled trial with one-year follow-up233Public funding from the former Trent Regional Health AuthorityPrimary: time to complete ulcer healingPrimary endpoint succeeded; log-rank P=.03, with 12-week healing of 34% versus 24%.Pivotal randomized trial with a direct clinical endpoint
Shi C et al. 2021Cochrane systematic review and meta-analysis, compression versus no compression1,120NIHR Cochrane Infrastructure and University of Manchester support; not manufacturer-ledComplete healing and time to healingComplete healing RR 1.77 (1.41 to 2.21), I-squared=65%; time-to-healing HR 2.17 (1.52 to 3.10), I-squared=59%.Independent replicated synthesis
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Receipt — 2 References

All 2 cited sources were verified for existence at the original page (as of 2026-07-24).

Morrell CJ, Walters SJ, Dixon S, Collins KA, Brereton LML, Peters J, Brooker CG. Cost effectiveness of community leg ulcer clinics: randomised controlled trial. BMJ. 1998;316(7143):1487-1491. PMID: 9582132. PMCID: PMC28546. DOI: 10.1136/bmj.316.7143.1487.
checked
Shi C, Dumville JC, Cullum N, Connaughton E, Norman G. Compression bandages or stockings versus no compression for treating venous leg ulcers. Cochrane Database Syst Rev. 2021;2021(7):CD013397. PMID: 34308565. PMCID: PMC8407020. DOI: 10.1002/14651858.CD013397.pub2.
checked
Draft and rewrite: Codex (AI) · Verification: Codex blind grading and adversarial audit · Final adjudication: Claude
Reviewed and approved: Chamgap Editorial Team · Approval date: 2026-07-24 · Corrections: none

Cite this verdict

Multilayer compression bandaging x complete venous leg-ulcer healing Evidence Grade A card
[Chamgap] Multilayer compression bandaging x complete venous leg-ulcer healing — Evidence Grade A·80. 2 cited sources checked. Source: https://chamgap.com/en/verdicts/skin-hair/multilayer-compression-bandage-venous-leg-ulcer-healing/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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