Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

370 questions · 394 findings · 64 reviews

No studies found 88 · 22.3%GRADE not reported 20 · 5.1%Very low 74 · 18.8%Low 115 · 29.2%Moderate 87 · 22.1%High 10 · 2.5%