Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

647 questions · 674 findings · 100 reviews

No studies found 129 · 19.1%GRADE not reported 95 · 14.1%Very low 220 · 32.6%Low 142 · 21.1%Moderate 64 · 9.5%High 24 · 3.6%