Variable | Infants without BPD (n = 55) | Infants with moderate or severe BPD (n = 60) | P value |
---|---|---|---|
maternal age, yr | 32 (29–36) | 32 (29–34) | 0.406 |
conception by ART | 4 (7%) | 16 (27%) | 0.006 |
GDM | 3 (6%) | 4 (7%) | 0.786 |
gestational hypertension | 9 (16%) | 3 (5%) | 0.046 |
PPROM | 13 (24%) | 24 (40%) | 0.061 |
chorioamnionitis | 6 (11%) | 2 (3%) | 0.015 |
Intubation at resuscitation | 25 (45%) | 53 (88%) | < 0.001 |
antenatal steroid treatment | 37 (67%) | 49 (82%) | 0.076 |
cesarean section delivery | 25 (46%) | 10 (17%) | 0.001 |
gestational age at birth, wk | 27.3 (26.1–28.6) | 25.8 (24.5–26.8) | < 0.001 |
birth weight, gr | 890 (740–980) | 770 (687–910) | 0.039 |
SGA | 18 (33%) | 5 (8%) | 0.001 |
male | 26 (47%) | 39 (65%) | 0.055 |
NRDS | 43 (78%) | 54 (90%) | 0.081 |
Mechanical ventilation | 22 (40%) | 51 (85%) | < 0.001 |
(Suspected) Early-onset neonatal sepsis | 9 (16%) | 26 (43%) | 0.002 |
Apgar score at 1 min | 7 (5–9) | 5 (5–8) | 0.041 |
Apgar score at 5 min | 10 (9–10) | 10 (8–10) | 0.133 |
surfactant treatment | 32 (59%) | 53 (88%) | < 0.001 |
PDA | 10 (18%) | 35 (58%) | < 0.001 |
IVH grade 3 or 4 | 5 (9%) | 9 (15%) | 0.333 |
NEC | 2 (4%) | 3 (5%) | 0.541 |
pneumothorax | 1 (2%) | 1 (2%) | 0.950 |
pulmonary hemorrhage | 2 (4%) | 4 (7%) | 0.681 |