Table 1.
Subjects' characteristics
| Variables | Non-emphysematous subjects (n = 7) | Emphysematous subjects (n = 6) |
|---|---|---|
| Age, yr | 72 +/- 6 | 66 +/- 8 |
| Sex, female/male | 4/3 | 3/3 |
| FEV1, % predicted | 97 +/- 17 | 50 +/- 22* |
| FEV1/FVC, % | 71 +/- 6 | 45 +/- 11* |
| DLCO, % predicted | 93 +/- 22 | 77 +/- 36* |
| Smoking history, pack-year | 52 +/- 27 | 58 +/- 34 |
| Current/ex-smokers | 1/6 | 1/5 |
| Presence of emphysema (CT Scan) | - | 6 |
* Significantly different from non-emphysematous subjects, p < 0.05
Results are presented as mean +/- standard deviation