Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

73 questions · 74 findings · 6 reviews

No studies found 16 · 21.6%GRADE not reported 2 · 2.7%Very low 33 · 44.6%Low 18 · 24.3%Moderate 4 · 5.4%High 1 · 1.4%