Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

74 questions · 74 findings · 10 reviews · Headline outcomes only

No studies found 30 · 40.5%GRADE not reported 1 · 1.4%Very low 17 · 23%Low 18 · 24.3%Moderate 8 · 10.8%High 0 · 0%