Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

48 questions · 48 findings · 3 reviews · Headline outcomes only

No studies found 12 · 25%GRADE not reported 2 · 4.2%Very low 23 · 47.9%Low 7 · 14.6%Moderate 3 · 6.3%High 1 · 2.1%