Skip to main content
. 2024 Dec 15;18:17534666241307066. doi: 10.1177/17534666241307066

Figure 1.

Figure 1.

Physicians’ recommendations for airway clearance devices based on severity categories: (a) A COPD patient with daily difficulties clearing thick sputum, (b) A COPD patient producing sputum throughout the day but able to clear it, (c) A COPD patient with morning sputum only, (d) A COPD patient who only has sputum with exacerbations or has 0-1 exacerbation/year, (e) A COPD patient who only has sputum with exacerbations and has 2-3 exacerbations /year and (f) A COPD Patient who only has sputum with exacerbations and has >4 exacerbations/year.