Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

54 questions · 55 findings · 18 reviews

No studies found 32 · 58.2%GRADE not reported 4 · 7.3%Very low 10 · 18.2%Low 5 · 9.1%Moderate 3 · 5.5%High 1 · 1.8%