Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,788 questions · 1,849 findings · 336 reviews

No studies found 245 · 13.3%GRADE not reported 126 · 6.8%Very low 612 · 33.1%Low 512 · 27.7%Moderate 305 · 16.5%High 49 · 2.7%