Subject characteristics at adulthood
| Non-BPD group (n=28) | BPD group (n=36) | Missing | p-value | |
| Smoking | 4/28 (14%) | 7/36 (19%) | 0 | 0.74 |
| Age at lung function testing years | 21.0±2.5 | 19.7±1.1 | 0 | 0.0077 |
| Weight kg | 68±12 | 69±19 | 0 | 0.89 |
| Length cm | 177±10.3 | 174±10 | 0 | 0.21 |
| BMI kg·m−2 | 21.7±2.8 | 22.6±4.9 | 0 | 0.38 |
Data are presented as mean±sd or n/N (%), unless otherwise stated. BPD: bronchopulmonary dysplasia; Smoking: ever-smoking (yes=1, no=0); BMI: body mass index kg·m−2.