Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

93 questions · 93 findings · 7 reviews · Headline outcomes only

No studies found 32 · 34.4%GRADE not reported 8 · 8.6%Very low 33 · 35.5%Low 15 · 16.1%Moderate 5 · 5.4%High 0 · 0%