Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

681 questions · 709 findings · 179 reviews

No studies found 180 · 25.4%GRADE not reported 51 · 7.2%Very low 194 · 27.4%Low 144 · 20.3%Moderate 110 · 15.5%High 30 · 4.2%