Table 4.
Baseline characteristics of patients according to their FEV1 at T0
| FEV1 ≥ 80% pred. (n = 28) | FEV1 < 80% pred. (n = 7) | p-value | |
|---|---|---|---|
| Age |
38 ± 13 |
42 ± 10 |
0.44 |
| FEV1/FVC |
77 ± 8 |
72 ± 11 |
0.20 |
| Current smoking |
8 (29%) |
2 (29%) |
1.0 |
| Pack years* |
7 (15) |
20 (13) |
0.37 |
| Total exposure time (months) |
51 (99) |
53 (129) |
0.68 |
| Symptomatic exposure time (months) | 13 (34) | 8 (14) | 0.22 |
Legend: FVC = forced expiratory vital capacity. FEV1 = forced expiratory volume in 1 second. *Pack-years for smokers and ex-smokers added.
Data is presented as mean ± SD, median and interquartile range (IQR) or number (%).