| (C) 40 weeks’ PMA | ||||||||||
| No BPD (reference) n=253 | Mild BPD at 40 PMA n=304 | OR (95% CI) | P value | Moderate BPD at 40 PMA n=27 | OR (95% CI) | P value | Severe BPD at 40 PMA n=23 | OR (95% CI) | P value | |
| NDI, n (%) | 32 (13) | 46 (15) | 1.2 (0.6 to 2.1) | 0.599 | 6 (22) | 2.2 (0.6 to 8.1) | 0.213 | 14 (61) | 16.6 (4.6 to 59.9) | <0.001 |
| Cerebral palsy, n (%) | 9 (3) | 5 (2) | 0.4 (0.1 to 2.5) | 0.373 | 0 | – | NA | 0 | – | NA |
| Deafness, n (%) | 2 (0.8) | 1 (0) | 0.1 (0.0 to 1.9) | 0.126 | 1 (4) | 1.5 (0.0 to 34.1) | 0.792 | 1 (4) | 0.8 (0.0 to 27.3) | 0.933 |
| Blindness, n (%) | 0 | 2 (1) | – | NA | 0 | – | NA | 0 | – | NA |
BPD, bronchopulmonary dysplasia; NA, not applicable; NDI, neurodevelopmental impairment; PMA, postmenstrual age.