Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

100 questions · 116 findings · 41 reviews

No studies found 48 · 41.4%GRADE not reported 21 · 18.1%Very low 12 · 10.3%Low 16 · 13.8%Moderate 17 · 14.7%High 2 · 1.7%