Table 2.
Demographic and perinatal characteristics of infants with bronchopulmonary dysplasia or death before 36 weeks postmenstrual age
| No BPD or death N = 181 |
BPD or death N = 123 |
P | |
|---|---|---|---|
| Birth weight (g), mean ± SD | 1161 ± 227 | 842 ± 228 | <0.001 |
| Gestational age (weeks), mean ± SD | 29+1 ± 1+5 | 26+6 ± 1+6 | <0.001 |
| Male (%) | 86 (47.5) | 69 (56.1) | 0.142 |
| Caesarean section (%) | 136 (75.1) | 80 (65.0) | 0.071 |
| Multiple gestation (%) | 54 (29.8) | 40 (32.5) | 0.616 |
| Antenatal steroid (%) | 165 (91.2) | 106 (86.2) | 0.191 |
| Premature rupture of membrane (%) | 80 (44.2) | 54 (43.9) | 1.000 |
| Preeclampsia (%) | 49 (27.1) | 29 (23.6) | 0.507 |
| Histologic chorioamnionitis (%) | 86 (47.5) | 59 (48.0) | 1.000 |
| Respiratory distress syndrome (%) | 101 (55.8) | 107 (87.0) | <0.001 |
| Symptomatic patent ductus arteriosus (%) | 74 (40.9) | 91 (74.0) | <0.001 |
| Early-onset neonatal sepsis (%) | 1 (0.6) | 2 (1.6) | 0.568 |
| Invasive ventilation on day 7 of life (%) | 16 (8.8) | 74 (60.2) | <0.001 |
| Interstitial pneumonia patterns on day 7 chest radiographs (%) | 4 (2.2) | 31 (25.2) | <0.001 |
BPD bronchopulmonary dysplasia, SD standard deviation