Table 5.
Baseline characteristics of patients according to their FEV1/FVC ratio at T0
| FEV1/FVC ≥ 0.7 (n = 25) | FEV1/FVC < 0.7 (n = 10) | p-value | |
|---|---|---|---|
| Age (years) |
37 ± 14 |
42 ± 9 |
0.34 |
| FEV1% predicted |
95 ± 13 |
83 ± 20 |
<0.001 |
| Current smoking |
7 (28%) |
3 (30%) |
1.00 |
| Pack years* |
5 (12) |
20 (20) |
<0.001 |
| Total exposure time (months) |
44 (80) |
145 (143) |
0.16 |
| Symptomatic exposure time (months) | 11 (15) | 19 (33) | 0.31 |
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 (%).