Table 3—
Prevalence of progression or regression of individual computed tomography features on serial imaging
Better
No change
Worse
Range
Bronchiectasis
15
6
27
−11–11
Decreased attenuation
5
15
28
−5–18
Bronchial wall thickness
19
14
15
−16–6
Plugging of large airways
10
27
11
−8–4
Plugging of small airways
14
21
13
−13–14