Table 6.
Radiographic characteristics and extent of lesions of 84 patients with NTM lung disease and 47 non-NTM BE patients
| NTM lung disease patients (N = 84) | Non-NTM BE patients (N = 47) | P value | |
|---|---|---|---|
| Extent of bronchiectasis†, median (IQR) |
3 (2, 4) |
4 (3, 9) |
0.001 |
| Type of bronchiectasis‡ |
|
|
|
| Tubular |
46 (54.8%) |
21 (44.7%) |
0.28 |
| Varicose |
21 (25.0%) |
11 (23.4%) |
1.00 |
| Cystic |
17 (20.2%) |
15 (31.9%) |
0.14 |
| Paranasal sinus |
|
|
|
| Normal |
62 (73.8%) |
33 (70.2%) |
0.69 |
| Mucoepithelial thickening |
21 (25.0%) |
14 (29.8%) |
0.55 |
| Air-fluid level or total haziness | 0 (0%) | 0 (0%) |
Abbreviations: NTM nontuberculous mycobacteria, BE bronchiectasis, IQR interquartile range.
†Extent of bronchiectasis was scored in each 6 lobe according to involved percentage of bronchiectatic bronchi. Extent scores range from 0 to 18; 0 if less than 25%, 1 if 25 ~ 49%, 2 if 50 ~ 74%, 3 if 75% or more.
‡Classified based on main lesion.