| PiZZ patients | |
| Subjects | 7 |
| Age years | 52 (43–57) |
| Male/female | 4/3 |
| FEV1 % | 50 (33–84) |
| FEV1/FVC % | 38 (28–65) |
| Smoking status | |
| Current smoker | 0 |
| Ex-smoker | 2 |
| Never-smoker | 5 |
Data are presented as n or mean (range). FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity.