Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

42 questions · 42 findings · 6 reviews · Headline outcomes only

No studies found 7 · 16.7%GRADE not reported 2 · 4.8%Very low 5 · 11.9%Low 23 · 54.8%Moderate 3 · 7.1%High 2 · 4.8%