Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

93 questions · 94 findings · 11 reviews · Headline outcomes only

No studies found 32 · 34%GRADE not reported 8 · 8.5%Very low 36 · 38.3%Low 13 · 13.8%Moderate 3 · 3.2%High 2 · 2.1%