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Subject characteristics
| Mean age (SD) | 63.6 (7.1) |
| Male | 16 (67%) |
| Current/Ex smoker | 9C/15Ex |
| Pack years | 43 (20–122) |
| Median (range) | |
| % predicted FEV1 | 58.4(12.8) |
| Mean (SD) | |
| % predicted TLC | 103.1 (11.8) |
| Mean (SD) | |
| % predicted RV | 145.9 (29.9) |
| Mean (SD) | |
| FEV1 Reversibility (%) | 9.2 (5.1) |
| Mean (SD) | |
