Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

109 questions · 115 findings · 13 reviews

No studies found 9 · 7.8%GRADE not reported 4 · 3.5%Very low 28 · 24.3%Low 40 · 34.8%Moderate 22 · 19.1%High 12 · 10.4%