| Characteristic | CPAP | SiPAP | P value |
|---|---|---|---|
| Gestational age, mean (SD) | 29.7 (1.2) | 29.8 (1.1) | 0.64 |
| Birthweight, mean (SD) | 1325 (335) | 1324 (300) | 0.99 |
| Male gender, n(%) | 34 (56.7) | 36 (60) | 0.71 |
| Singleton pregnancy, n(%) | 37 (61.7) | 39 (65.0) | 0.71 |
| Antenatal Corticosteroids (any), n(%) | 59 (98.3) | 59 (98.3) | 1.0 |
| Chorioamnionitis, n(%) | 9.0 (15.0) | 11 (18.3) | 0.62 |
| CRIB 2, mean (SD) | 4.3 (2.4) | 4.8 (2.3) | 0.31 |