Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

929 questions · 946 findings · 295 reviews · Headline outcomes only

No studies found 150 · 15.9%GRADE not reported 47 · 5%Very low 312 · 33%Low 262 · 27.7%Moderate 138 · 14.6%High 37 · 3.9%

Mobilization of community first responders (CFRs) in addition to routine emergency medical services (EMS) care vs routine EMS care

Neurological function at hospital discharge, measured by cerebral performance category (CPC) · adults and children more than 4 weeks old suffering from OHCA

The review found no eligible studies for this question.

1 finding from 1 review

Mobilization of community first responders (CFRs) in addition to routine emergency medical services (EMS) care vs routine EMS care

Neurological function at 30 days, measured by cerebral performance category (CPC) · adults and children more than 4 weeks old suffering from OHCA

The review found no eligible studies for this question.

1 finding from 1 review

Perioperative alcohol cessation intervention vs treatment

Postoperative complications after perioperative intervention (e.g. wound‐related complications, secondary surgery, cardiopulmonary complications, admission to intensive care) defined by need for treatment · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention probably leads to lower postoperative complications after perioperative intervention (e.g.… compared with treatment (moderate certainty).

1 finding from 1 review

Perioperative alcohol cessation intervention vs treatment

In‐hospital and 30‐day mortality · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention showed no clear difference in in‐hospital and 30‐day mortality compared with treatment (low certainty).

1 finding from 1 review

Perioperative alcohol cessation intervention vs treatment

Successful quitters (number of abstainers) at the end of the programme (with or without validation by interview, breath test, or alcohol markers) · adult surgical patients consuming 3 or more units of alcohol per day

Perioperative alcohol cessation intervention probably leads to higher successful quitters (number of abstainers) at the end of the… compared with treatment (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo

Annual Exacerbation Rates · Adults (aged 40 or over) with COPD presenting with 1 or more exacerbations in the previous year. The 2 larger studies (Albert 2011; Sethi…

Antibiotics probably leads to lower rate of exacerbation per patient/year WMD of compared with placebo (moderate certainty).

1 finding from 1 review