Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,780 questions · 1,852 findings · 204 reviews

No studies found 417 · 22.5%GRADE not reported 58 · 3.1%Very low 577 · 31.2%Low 468 · 25.3%Moderate 272 · 14.7%High 60 · 3.2%