Findings

What do systematic reviews say?

1 questions · 1 findings · 1 reviews · Acute Respiratory Infections

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 0 · 0%Low 1 · 100%Moderate 0 · 0%High 0 · 0%

Intervention not reported

Antibiotic prescriptions (number of courses/person/year) **Corticosteroids not meta‐analysed · adults (> 18 years of age) with either COPD or recurrent acute exacerbations of chronic bronchitis

The intervention may leads to higher antibiotic prescriptions (number of courses/person/year)… (low certainty).

1 finding from 1 review

Haemophilus influenzae oral vaccination for preventing acute exacerbations of chronic bronchitis and chronic… 2017 · Cochrane Headline outcomes only
RR 1.81 [1.35, 2.44]
3 studies · 142 participants
Low