Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

122 questions · 122 findings · 10 reviews · Headline outcomes only

No studies found 44 · 36.1%GRADE not reported 4 · 3.3%Very low 42 · 34.4%Low 22 · 18%Moderate 9 · 7.4%High 1 · 0.8%