Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,720 questions · 15,377 findings · 900 reviews

No studies found 3,865 · 25.1%GRADE not reported 2,291 · 14.9%Very low 3,875 · 25.2%Low 3,287 · 21.4%Moderate 1,681 · 10.9%High 378 · 2.5%

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5‐HT3 antagonists vs placebo

Nausea · women undergoing regional anaesthesia for caesarean section

5‐HT3 antagonists may leads to lower nausea ‐ intraoperative compared with placebo (low certainty).

2 findings from 1 review

Corticosteroids vs placebo

Nausea · women undergoing regional anaesthesia for caesarean section

Corticosteroids probably leads to lower nausea ‐ postoperative compared with placebo (moderate certainty).

2 findings from 1 review

Antihistamines vs placebo

Nausea · preventing nausea and vomiting

It is very uncertain whether antihistamines changes nausea ‐ intraoperative compared with placebo (very low certainty).

2 findings from 1 review