Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

412 questions · 464 findings · 104 reviews

No studies found 44 · 9.5%GRADE not reported 84 · 18.1%Very low 165 · 35.6%Low 113 · 24.4%Moderate 41 · 8.8%High 17 · 3.7%