Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

178 questions · 181 findings · 13 reviews

No studies found 33 · 18.2%GRADE not reported 13 · 7.2%Very low 46 · 25.4%Low 37 · 20.4%Moderate 42 · 23.2%High 10 · 5.5%