evidencegaps
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What do systematic reviews say?

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Evidence found and GRADE certainty

4,752 questions · 6,648 findings · 688 reviews

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No studies found 1,125 · 16.9%GRADE not reported 670 · 10.1%Very low 1,796 · 27%Low 1,685 · 25.3%Moderate 1,075 · 16.2%High 297 · 4.5%

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Intervention not reported

Total studies: 25 RCTs Total participants: 5067 Number of treatments: 18 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review

Intervention not reported

Total studies: 21 RCTs Total participants: 3634 Number of treatments: 12 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review

Intervention not reported

Total studies: 18 RCTs Total participants: 4440 Number of treatments: 13 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review

Intervention not reported

Total studies: 28 RCTs Total participants: 10,766 Number of treatments: 22 Geometry of the network** · adults undergoing any type of surgery under general anaesthesia Interventions: antiemetic drugs (monoprophylaxis and combination…
1 finding from 1 review