Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

103 questions · 103 findings · 14 reviews · Anaesthesia

No studies found 15 · 14.6%GRADE not reported 6 · 5.8%Very low 21 · 20.4%Low 24 · 23.3%Moderate 30 · 29.1%High 7 · 6.8%