Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

4,756 questions · 13,493 findings · 1,305 reviews · Headline outcomes only

No studies found 2,594 · 19.2%GRADE not reported 728 · 5.4%Very low 2,868 · 21.3%Low 3,777 · 28%Moderate 2,620 · 19.4%High 906 · 6.7%

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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

Anticholinergic medication vs placebo

Nausea · women undergoing regional anaesthesia for caesarean section

Anticholinergics may leads to lower nausea ‐ intraoperative compared with placebo (low certainty).

2 findings from 1 review

Sedation vs placebo

Nausea · women undergoing regional anaesthesia for caesarean section

Sedatives probably leads to lower nausea ‐ intraoperative compared with placebo (moderate certainty).

2 findings from 1 review