Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,166 questions · 1,249 findings · 76 reviews

No studies found 378 · 30.3%GRADE not reported 61 · 4.9%Very low 377 · 30.2%Low 284 · 22.7%Moderate 120 · 9.6%High 29 · 2.3%