Table 3
Reported frequency of use of sputum adjunct devices for patients with COPD in the preceding year
No of patients treated with device
None
1–2
3–5
>5
Flutter
59.5%
18.0%
8.1%
14.4%
Acapella
47.8%
22.5%
8.1%
21.6%
PEP mask
79.3%
15.3%
3.6%
1.8%