Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

1,438 questions · 1,463 findings · 125 reviews · Anaesthesia

No studies found 197 · 13.5%GRADE not reported 203 · 13.9%Very low 307 · 21%Low 441 · 30.1%Moderate 245 · 16.7%High 70 · 4.8%

Intervention not reported

Mean oxygen tension (mm Hg) in umbilical vein (UvPO2) · low‐risk term pregnant women undergoing elective caesarean section under regional anaesthesia
1 finding from 1 review

Intervention not reported

Number of participants receiving transfusion with allogeneic blood: antifibrinolytics vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving transfusion with allogeneic blood:… (very low certainty).

1 finding from 1 review

Intervention not reported

Number of participants receiving transfusion with allogeneic blood: aprotinin vs placebo · children undergoing surgery for scoliosis

It is very uncertain whether the intervention changes number of participants receiving transfusion with allogeneic blood:… (very low certainty).

1 finding from 1 review