Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

737 questions · 750 findings · 76 reviews

No studies found 182 · 24.3%GRADE not reported 95 · 12.7%Very low 229 · 30.5%Low 128 · 17.1%Moderate 76 · 10.1%High 40 · 5.3%