Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

119 questions · 125 findings · 20 reviews · Airways

No studies found 22 · 17.6%GRADE not reported 6 · 4.8%Very low 18 · 14.4%Low 29 · 23.2%Moderate 38 · 30.4%High 12 · 9.6%

Quinolone vs macrolides

Quality of life Drug resistance/microbial sensitivity Serious adverse events Lung function Hospitalisations Adverse events/side effects Number of participants colonised with P aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Macrolides vs tetracycline

Exacerbations (number of people experiencing ≥ 1 exacerbations) · patients with chronic obstructive pulmonary disease

Macrolide showed no clear difference in number of participants experiencing one or more exacerbations… compared with tetracycline (low certainty).

1 finding from 1 review

Macrolides vs tetracycline

Quality of life Drug resistance/microbial sensitivity Serious adverse events Lung function Hospitalisations Adverse events/side effects Number of participants colonised with P aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Macrolide+tetracycline vs macrolides

All‐cause serious adverse events 60 weeks (end of study) · patients with chronic obstructive pulmonary disease

It is very uncertain whether macrolide+tetracycline changes all‐cause serious adverse events 60 weeks (end of study) compared with macrolide (very low certainty).

1 finding from 1 review

Macrolide+tetracycline vs macrolides

Number of people experiencing one or more exacerbations, Drug resistance/microbial sensitivity (as reported by trialists), including emergence of atypical bacteria, Number of participants colonised with Pseudomonas aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Quinolone vs tetracycline

Quality of life Drug resistance/microbial sensitivity Serious adverse events Lung function Hospitalisations Adverse events/side effects Number of participants colonised with P aeruginosa · patients with chronic obstructive pulmonary disease

The review found no eligible studies for this question.

1 finding from 1 review

Macrolides vs placebo

Exacerbations (number of people experiencing ≥ 1 exacerbations) · adults with bronchiectasis

Macrolides probably leads to lower ≥ 1 exacerbation compared with placebo (moderate certainty).

1 finding from 1 review

Macrolides vs placebo

Exacerbation frequency · children with bronchiectasis

Macrolides may leads to lower exacerbation frequency compared with placebo (low certainty).

1 finding from 1 review

Macrolides vs placebo

Hospitalisation (any cause) · children with bronchiectasis

Macrolides showed no clear difference in hospitalisation: all‐cause compared with placebo (low certainty).

1 finding from 1 review

Macrolides vs placebo

Serious adverse events · children with bronchiectasis

Macrolides showed no clear difference in serious adverse events compared with placebo (low certainty).

1 finding from 1 review