Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

64 questions · 65 findings · 17 reviews · Headline outcomes only

No studies found 11 · 16.9%GRADE not reported 6 · 9.2%Very low 29 · 44.6%Low 13 · 20%Moderate 6 · 9.2%High 0 · 0%