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

High‐intensity pain with lidocaine admixture Pain scales · Adult participants receiving propofol for induction of anaesthesia

The intervention leads to lower high‐intensity pain with lidocaine admixture Pain scales (high certainty).

1 finding from 1 review

Intervention not reported

High‐intensity pain with lidocaine pretreatment Pain scales · Adult participants receiving propofol for induction of anaesthesia

The intervention leads to lower high‐intensity pain with lidocaine pretreatment Pain scales (high certainty).

1 finding from 1 review

Intervention not reported

Incidence of pain with lidocaine admixture Pain scales · Adult participants receiving propofol for induction of anaesthesia

The intervention leads to lower incidence of pain with lidocaine admixture Pain scales (high certainty).

1 finding from 1 review

Intervention not reported

Incidence of pain with lidocaine pretreatment Pain scales · Adult participants receiving propofol for induction of anaesthesia

The intervention leads to lower incidence of pain with lidocaine pretreatment Pain scales (high certainty).

1 finding from 1 review

Active body surface warming systems vs control

Major cardiovascular complications (cardiovascular death, non‐fatal myocardial infarction, non‐fatal stroke, and non‐fatal cardiac arrest) · adults undergoing surgery

Active body surface warming systems showed no clear difference in major cardiovascular complications (cardiovascular death, non‐fatal… compared with control (low certainty).

1 finding from 1 review