Sex-specific demographic and clinical characteristics in PI ZZ subjects
| Demographic characteristic | Men(N = 173) | Women(N = 205) | p Value |
|---|---|---|---|
| Values are mean (SD) unless otherwise indicated. | |||
| FEV1, forced expiratory volume in 1 s. | |||
| Age | 52.0 (9.1) | 52.4 (10.2) | 0.69 |
| FEV1 % predicted (post-bronchodilator) | 55.4 (32.2) | 74.9 (31.9) | <0.0001 |
| FEV1/FVC ×100 (post-bronchodilator) | 48.2 (20.6) | 61.1 (18.9) | <0.0001 |
| Smoking status | |||
| Ever smoker (n) | 114 | 119 | 0.12 |
| Pack-years (smokers) | 20.9 (14.7) | 15.6 (13.9) | 0.005 |
| Age at onset of smoking | 17.0 (3.4) | 18.6 (5.7) | 0.008 |