Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,324 questions · 1,405 findings · 189 reviews

No studies found 402 · 28.6%GRADE not reported 294 · 20.9%Very low 323 · 23%Low 232 · 16.5%Moderate 117 · 8.3%High 37 · 2.6%

Intervention not reported

Total studies: 117 RCTs Total participants: 21,440 Number of treatments: 44 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review