Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

304 questions · 314 findings · 29 reviews · Public Health

No studies found 57 · 18.2%GRADE not reported 22 · 7%Very low 88 · 28%Low 86 · 27.4%Moderate 43 · 13.7%High 18 · 5.7%