Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

43 questions · 45 findings · 14 reviews · Airways

No studies found 4 · 8.9%GRADE not reported 3 · 6.7%Very low 4 · 8.9%Low 20 · 44.4%Moderate 12 · 26.7%High 2 · 4.4%

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