Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

56 questions · 68 findings · 6 reviews · Headline outcomes only

No studies found 28 · 41.2%GRADE not reported 0 · 0%Very low 16 · 23.5%Low 9 · 13.2%Moderate 11 · 16.2%High 4 · 5.9%