Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

63 questions · 65 findings · 6 reviews · Headline outcomes only

No studies found 25 · 38.5%GRADE not reported 1 · 1.5%Very low 15 · 23.1%Low 18 · 27.7%Moderate 6 · 9.2%High 0 · 0%