Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,006 questions · 3,171 findings · 607 reviews · Headline outcomes only

No studies found 411 · 13%GRADE not reported 153 · 4.8%Very low 968 · 30.5%Low 897 · 28.3%Moderate 589 · 18.6%High 153 · 4.8%

Supplemental IV crystalloid vs control IV crystalloid volume

Risk of suffering a serious adverse event, reported dichotomously as the occurrence of any of: admission to high‐dependency unit, postoperative cardiac or respiratory complication, or death · participants aged 6 months or older undergoing surgical procedures under general anaesthesia

The review found no eligible studies for this question.

1 finding from 1 review

Omega‐3 vs placebo

Mental state: psychotic symptoms Average total score (PANSS, higher score = worse, scale from 30‐210) Long‐term (up to 7 years) · people in the prodromal stage of psychosis
1 finding from 1 review