Table 2. Microbiologic characteristics of subjects with COPD, with and without bronchiectasis.
| Parameter | Whole Group | COPD with Bronchiectasis | COPD without Bronchiectasis | P |
|---|---|---|---|---|
| Subjects, No. (%) | 726 | 257 | 469 | — |
| Mycobacterium tuberculosis detected, No. (%) | 11 (1.5%) | 3 (1.2%) | 8 (1.7%) | 0.802 |
| NTM detected, No. (%) | 8 (1.1%) | 2 (0.8%) | 6 (1.3%) | 0.805 |
| Patients with at least one PPM isolate, No. (%) | 372 (51.2%) | 146 (56.8%) | 226 (48.2%) | 0.026 |
| Bacteriologic | 127 (17.5%) | 60 (23.3%) | 67 (14.3%) | 0.002 |
| Pseudomonas aeruginosa isolates, No. (%) | 38 (5.2%) | 27 (10.5%) | 11 (2.3%) | <0.001 |
| Klebsiella pneumoniae isolates, No. (%) | 26 (3.6%) | 5 (1.9%) | 21 (4.5%) | 0.079 |
| Escherichia coli isolates, No. (%) | 4 (0.6%) | 3 (1.2%) | 1 (0.2%) | 0.256 |
| Baumannii isolates, No. (%) | 22 (3%) | 12 (4.7%) | 10 (2.1%) | 0.057 |
| Enterobacter cloacae isolates, No. (%) | 10 (1.4%) | 4 (1.6%) | 6 (1.3%) | 1 |
| Mycological | 288 (39.7%) | 112 (43.6%) | 176 (37.5%) | 0.111 |
| Aspergillus isolates, No. (%) | 40 (5.5%) | 17 (6.6%) | 23 (4.9%) | 0.334 |
| Monilia albicans isolates, No. (%) | 247 (34%) | 98 (38.1%) | 147 (31.3%) | 0.058 |
Data are presented as n (%) or mean ±SD unless otherwise stated. NTM: nontuberculosis mycobacteria; PPM: potentially pathogenic microorganisms.