Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

14 questions · 14 findings · 2 reviews · Wounds · Headline outcomes only

No studies found 9 · 64.3%GRADE not reported 0 · 0%Very low 1 · 7.1%Low 3 · 21.4%Moderate 1 · 7.1%High 0 · 0%

Summary of findings table ‐ Collagen vs standard diet or placebo

Adverse effects/events: at least 1 adverse effect ‐ as defined by individual studies. · adults with pressure ulcers

It is very uncertain whether summary of findings table ‐ Collagen changes side effects: at least one adverse event compared with standard diet or placebo (very low certainty).

1 finding from 1 review