Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

418 questions · 611 findings · 68 reviews

No studies found 88 · 14.4%GRADE not reported 237 · 38.8%Very low 74 · 12.1%Low 115 · 18.8%Moderate 87 · 14.2%High 10 · 1.6%