Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

764 questions · 795 findings · 110 reviews

No studies found 202 · 25.4%GRADE not reported 100 · 12.6%Very low 225 · 28.3%Low 155 · 19.5%Moderate 85 · 10.7%High 28 · 3.5%