Table 1 Subject characteristics
| Â | Controls | COPD | Asthma |
|---|---|---|---|
Subjects | 9 | 10 | 4 |
Age, mean ± SD years | 63.0 ± 6.7 | 68.2 ± 5.2 | 63.6 ± 3.1 |
Men | 6 (66.7%) | 8 (80.0%) | 2 (50.0%) |
Current-smokers | 2 (22.2%) | 1 (10.0%) | 0 |
Former-smokers | 5 (55.6%) | 9 (90.0%) | 3 (75.0%) |
Never-smokers | 2 (22.2%) | 0 | 1 (25.0%) |
Smoker pack years, mean ± SD years | 11.8 ± 6.1 | 25.2 ± 8.1 | 12.1 ± 6.2 |
FEV1 (% predicted), mean ± SD | 97.0 ± 13.7 | 72.6 ± 23.2 | 101.6 ± 9.3 |
Inhaled corticosteroids | 0 | 2 (20.0%) | 3 (75.0%) |
LABA | 0 | 3 (30.0%) | 1 (25.0%) |
LAMA | 0 | 4 (40.0%) | 0 |