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 |