Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

59 questions · 66 findings · 5 reviews · Skin · Headline outcomes only

No studies found 2 · 3%GRADE not reported 4 · 6.1%Very low 11 · 16.7%Low 31 · 47%Moderate 17 · 25.8%High 1 · 1.5%