Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,935 questions · 1,986 findings · 260 reviews · Headline outcomes only

No studies found 503 · 25.3%GRADE not reported 76 · 3.8%Very low 593 · 29.9%Low 509 · 25.6%Moderate 241 · 12.1%High 64 · 3.2%