Findings

What do systematic reviews say?

Refine by population, intervention, comparison or outcome
More filters
Evidence found and GRADE certainty

2,973 questions · 3,072 findings · 410 reviews · Headline outcomes only

No studies found 559 · 18.2%GRADE not reported 143 · 4.7%Very low 654 · 21.3%Low 833 · 27.1%Moderate 683 · 22.2%High 200 · 6.5%

Treatment route: intravenous corticosteroid vs oral corticosteroid

Mortality after discharge (1‐3 months) · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in mortality after discharge (1‐3 months) compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Treatment failure Need for additional treatment · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in treatment failure Need to intensify therapy compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

Treatment route: intravenous corticosteroid vs oral corticosteroid

Relapse Hospital readmission for COPD · exacerbations of COPD

Treatment route: intravenous corticosteroid showed no clear difference in relapse Hospital readmission for COPD compared with oral corticosteroid (moderate certainty).

1 finding from 1 review

PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation

Postoperative mortality · adult participants given general anaesthesia

It is very uncertain whether PEEP changes postoperative mortality compared with zero end‐expiratory pressure (ZEEP) during mechanical ventilation (very low certainty).

1 finding from 1 review

PEEP vs zero end‐expiratory pressure (ZEEP) during mechanical ventilation

Pneumonia · adult participants given general anaesthesia

It is very uncertain whether PEEP changes pneumonia compared with zero end‐expiratory pressure (ZEEP) during mechanical ventilation (very low certainty).

1 finding from 1 review