Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

699 questions · 719 findings · 69 reviews

No studies found 129 · 17.9%GRADE not reported 15 · 2.1%Very low 317 · 44.1%Low 170 · 23.6%Moderate 78 · 10.8%High 10 · 1.4%