Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

82 questions · 91 findings · 10 reviews · Headline outcomes only

No studies found 12 · 13.2%GRADE not reported 0 · 0%Very low 25 · 27.5%Low 31 · 34.1%Moderate 23 · 25.3%High 0 · 0%