Findings

What do systematic reviews say?

107 questions · 109 findings · 12 reviews

No studies found 23 · 21.1%GRADE not reported 5 · 4.6%Very low 19 · 17.4%Low 38 · 34.9%Moderate 22 · 20.2%High 2 · 1.8%

FEV1 % predicted: absolute change from baseline · adults and children with CF

1 finding from 1 review

Positive expiratory pressure physiotherapy for airway clearance in people with cystic fibrosis 2019 · Cochrane Headline outcomes only
no estimate extracted
7 studies · 217 participants
Moderate

Number of respiratory exacerbations: requiring either IV antibiotics or hospitalisation · adults and children with CF

1 finding from 1 review

Positive expiratory pressure physiotherapy for airway clearance in people with cystic fibrosis 2019 · Cochrane Headline outcomes only
no estimate extracted
3 studies · 112 participants
Moderate

Cough‐related quality of life (QOL) · people with bronchiectasis

1 finding from 1 review

Health‐related quality of life (HRQOL) disease‐specific HRQOL · people with bronchiectasis

The intervention showed no clear difference in health‐related quality of life (HRQOL) disease‐specific HRQOL (low certainty).

1 finding from 1 review

Incidence of acute exacerbations of bronchiectasis ‐ not reported · people with bronchiectasis

The review found no eligible studies for this question.

1 finding from 1 review

Positive expiratory pressure therapy versus other airway clearance techniques for bronchiectasis 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Duration of acute exacerbation of bronchiectasis ‐ not reported · people with bronchiectasis

The review found no eligible studies for this question.

1 finding from 1 review

Positive expiratory pressure therapy versus other airway clearance techniques for bronchiectasis 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Incidence of hospitalisation ‐ not reported · people with bronchiectasis

The review found no eligible studies for this question.

1 finding from 1 review

Positive expiratory pressure therapy versus other airway clearance techniques for bronchiectasis 2017 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found