Demographics, pulmonary function and bronchoalveolar lavage (BAL) cell count differential
| Subjects | 10 |
| Age years | 69.0 (63.7–76.0) |
| Male | 8 (80) |
| Smoking status | |
| Current | 0 |
| Ex | 5 (50) |
| Never | 5 (50) |
| Pack-years (smokers) | 20 (10–30) |
| Clinical | |
| Biopsy done | 4 (40) |
| PASP elevated | 6 (60) |
| PAP mmHg | 36.8 (33.2–40.7) |
| N-acetyl cysteine treatment | 4 (40) |
| Pulmonary function | |
| FVC % pred | 73.5 (68.2–84.2) |
| TLC % pred | 71.0 (60.0–77.0) |
| DLCO % pred | 47.5 (39.5–56.5) |
| 6MWT m | 420 (287–490) |
| BAL | |
| BAL cells obtained ×106 | 19.2 (13.8–31.9) |
| Macrophages % | 78.0 (69.0–91.2) |
| Lymphocytes % | 5.0 (3.0–9.3) |
| Neutrophils % | 9.0 (3.5–24.3) |
| Eosinophils % | 0.75 (0–2.25) |
Data are presented as n, median (interquartile range) or n (%). PASP: pulmonary artery systolic pressure; PAP: pulmonary arterial pressure; FVC: forced vital capacity; TLC: total lung capacity; DLCO: diffusing capacity of the lung for carbon monoxide; 6MWT: 6-min walk test.