Table 2.
Baseline characteristics of COPD patients chronically colonized with PA according to the presence or absence of bronchiectasis
| Characteristics | With bronchiectasis | Without bronchiectasis | P-value |
|---|---|---|---|
| Subjects, n | 27 | 9 | – |
| Gender male, n (%) | 27 (100) | 9 (100) | 1 |
| Age (years), m (SD) | 72.2 (1.8) | 74.4 (2.3) | 0.53 |
| Current smoking, n (%) | 0 (0) | 0 (0) | 1 |
| Pack-years, m (SD) | 37.4 (4.3) | 55.0 (34.4) | 0.08 |
| FEV1 post-BD, (L), m (SD) | 1.06 (0.07) | 1.43 (0.21) | 0.04 |
| FEV1 post-BD, (% predicted), m (SD) | 36.4 (2.2) | 43.5 (4.3) | 0.13 |
| Hospitalizations due to AECOPD/previous year, m (SD) | 2 (0.3) | 2 (0.8) | 1 |
| Days of hospital stay/past year, m (SD) | 24.1 (4.0) | 20.8 (6.8) | 0.68 |
| Ambulatory AECOPD/previous year, m (SD) | 1.6 (0.3) | 2.2 (0.7) | 0.28 |
Abbreviations: COPD, chronic obstructive pulmonary disease; PA, Pseudomonas aeruginosa; SD, standard deviation; FEV1, forced expiratory volume in one second; BD, bronchodilator; AECOPD, acute exacerbation of chronic obstructive pulmonary disease.