Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

74 questions · 76 findings · 10 reviews · Headline outcomes only

No studies found 37 · 48.7%GRADE not reported 0 · 0%Very low 22 · 28.9%Low 11 · 14.5%Moderate 6 · 7.9%High 0 · 0%