Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

150 questions · 151 findings · 21 reviews

No studies found 23 · 15.2%GRADE not reported 19 · 12.6%Very low 32 · 21.2%Low 35 · 23.2%Moderate 28 · 18.5%High 14 · 9.3%