Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

119 questions · 124 findings · 11 reviews

No studies found 10 · 8.1%GRADE not reported 4 · 3.2%Very low 27 · 21.8%Low 32 · 25.8%Moderate 27 · 21.8%High 24 · 19.4%