Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,256 questions · 2,339 findings · 262 reviews

No studies found 555 · 23.7%GRADE not reported 398 · 17%Very low 572 · 24.5%Low 476 · 20.4%Moderate 240 · 10.3%High 98 · 4.2%

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

Opioid antagonists vs placebo

Nausea · preventing nausea and vomiting
2 findings from 1 review

Ginger vs placebo

Nausea · preventing nausea and vomiting

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

2 findings from 1 review

Intervention not reported

Finding 19: social exclusion. Some parents, predominantly from LMICs, were less accepting of childhood vaccination due to their experiences of social exclusion. Social exclusion may involve economic disadvantage, residential segregation, a lack of... · groups. Numerous parents characterised infants and young children as weak and vulnerable, and in need of protection against multiple…
1 finding from 1 review

Discontinuation by "tapering" vs usual family planning care

Relapse · participants with depressive or anxiety disorders

It is very uncertain whether discontinuation by "tapering" changes relapse (as defined by study authors) (HR) compared with continuation (or usual care) (very low certainty).

1 finding from 1 review

Discontinuation by "tapering" vs usual family planning care

Adverse events · participants with depressive or anxiety disorders

It is very uncertain whether discontinuation by "tapering" changes adverse events compared with continuation (or usual care) (very low certainty).

1 finding from 1 review