Findings

What do systematic reviews say?

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

41 questions · 41 findings · 15 reviews

No studies found 7 · 17.1%GRADE not reported 9 · 22%Very low 17 · 41.5%Low 5 · 12.2%Moderate 3 · 7.3%High 0 · 0%

Antibiotics vs placebo

Serious adverse events WMD of · 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 showed no clear difference in serious adverse events WMD of compared with placebo (moderate certainty).

1 finding from 1 review

Antibiotics vs placebo or usual care

Serious adverse events Duration 3 days to 3 weeks · acute asthma exacerbation

Antibiotics showed no clear difference in serious adverse events Duration 3 days to 3 weeks compared with placebo or usual care (low certainty).

1 finding from 1 review

Antibiotics vs placebo

Discontinuation of medication due to adverse events · adults with renal vasculitis for maintenance therapy

Antibiotics showed no clear difference in adverse events causing study drug discontinuation compared with placebo (low certainty).

1 finding from 1 review

Oral antibiotics vs placebo

Adverse events at 1 month · adult participants with chronic blepharitis

It is very uncertain whether oral antibiotics changes adverse events at 1 month compared with placebo (very low certainty).

1 finding from 1 review

Prophylactic systemic antibiotics (amoxicillin) vs placebo or no antibiotic

Adverse events · Adults undergoing dental implant placement

Prophylactic systemic antibiotics (amoxicillin) showed no clear difference in adverse events compared with no antibiotics or placebo; GRADE not reported.

1 finding from 1 review