Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,071 questions · 1,114 findings · 142 reviews

No studies found 326 · 29.3%GRADE not reported 90 · 8.1%Very low 283 · 25.4%Low 247 · 22.2%Moderate 150 · 13.5%High 18 · 1.6%