Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

238 questions · 259 findings · 27 reviews

No studies found 65 · 25.1%GRADE not reported 21 · 8.1%Very low 67 · 25.9%Low 55 · 21.2%Moderate 45 · 17.4%High 6 · 2.3%