Table 1 Patient demographic and physiological data (17 patients).
| Age (years) | 57 (5.4) |
| Sex (F:M) | 4:13 |
| Pack years | 39 (25–70) |
| Oral steroids | 10 |
| Inhaled steroids | 17 |
| Oxygen dependent | 10 |
| Lung function (l, % predicted) | |
| FEV1 | 0.59 (0.20), 19 (6.3) |
| FVC | 1.96 (0.63), 55 (15) |
| RV | 5.53 (1.24), 250 (52) |
| TLC | 7.90 (1.58), 136 (13) |
| Tlco | 7.50 (2.40), 26 (9.0) |
| Arterial blood gases (on room air) | |
| Pao2 (kPa) | 9.2 (1.7) |
| Paco2 (kPa) | 6.8 (1.3) |
| 6 min walk distance (m) | 319 (266–373) |
Data are presented as mean (SD) or median (interquartile range).
FEV1, forced expiratory volume in 1 second; FVC, forced vital capacity; RV, residual volume; TLC, total lung capacity; Tlco, carbon monoxide transfer factor.