Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

319 questions · 319 findings · 1 reviews · Anaesthesia

No studies found 55 · 17.2%GRADE not reported 135 · 42.3%Very low 64 · 20.1%Low 49 · 15.4%Moderate 10 · 3.1%High 6 · 1.9%