Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

76 questions · 78 findings · 7 reviews · Heart

No studies found 5 · 6.4%GRADE not reported 0 · 0%Very low 20 · 25.6%Low 22 · 28.2%Moderate 21 · 26.9%High 10 · 12.8%