Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

111 questions · 111 findings · 9 reviews · Headline outcomes only

No studies found 41 · 36.9%GRADE not reported 2 · 1.8%Very low 39 · 35.1%Low 19 · 17.1%Moderate 9 · 8.1%High 1 · 0.9%