Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

897 questions · 966 findings · 73 reviews

No studies found 269 · 27.8%GRADE not reported 101 · 10.5%Very low 284 · 29.4%Low 180 · 18.6%Moderate 107 · 11.1%High 25 · 2.6%