Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

3,372 questions · 3,874 findings · 666 reviews

No studies found 431 · 11.1%GRADE not reported 783 · 20.2%Very low 995 · 25.7%Low 909 · 23.5%Moderate 596 · 15.4%High 160 · 4.1%

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