Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

64 questions · 65 findings · 10 reviews · Headline outcomes only

No studies found 19 · 29.2%GRADE not reported 4 · 6.2%Very low 10 · 15.4%Low 18 · 27.7%Moderate 14 · 21.5%High 0 · 0%