Characteristics of study patients (n=11)
| FEV1=forced expiratory volume in 1 second before salbutamol; FVC= forced vital capacity. | |
| Values are mean (SE) | |
| Age (years) | 71 (4) |
| M/F | 9/2 |
| Smoking history (pack years) | 60.5 (12.5) |
| FEV1 during exacerbation (% pred) | 48.0 (2.4) |
| FEV1/FVC during exacerbation | 48.3 (3.0) |
| FEV1 during stable phase (% pred) | 53.9 (3.7) |
| FEV1/FVC during stable phase | 48.0 (4.3) |