Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

864 questions · 895 findings · 140 reviews · Headline outcomes only

No studies found 202 · 22.6%GRADE not reported 53 · 5.9%Very low 227 · 25.4%Low 254 · 28.4%Moderate 131 · 14.6%High 28 · 3.1%

Continuous positive airway pressure (CPAP) vs supportive treatment

Incidence of mechanical ventilation · children with acute bronchiolitis

Continuous positive airway pressure (CPAP) showed no clear difference in proportion of children requiring mechanical ventilation compared with supportive treatment (low certainty).

1 finding from 1 review

Continuous positive airway pressure (CPAP) vs supportive treatment

Change in respiratory rate at 20 minutes · children with acute bronchiolitis

Continuous positive airway pressure (CPAP) showed no clear difference in mean change in respiratory rate (breaths/min) compared with supportive treatment (low certainty).

1 finding from 1 review

Continuous local anaesthetic wound infusion vs placebo

Any serious postoperative adverse event (until hospital discharge) · adults undergoing elective midline laparotomy for colorectal resection

Continuous local anaesthetic wound infusion showed no clear difference in any serious postoperative adverse event (until hospital discharge) compared with placebo (low certainty).

1 finding from 1 review