Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

124 questions · 139 findings · 15 reviews

No studies found 31 · 22.3%GRADE not reported 14 · 10.1%Very low 27 · 19.4%Low 39 · 28.1%Moderate 23 · 16.5%High 5 · 3.6%