Table 1.
Demographic data of the infants in the no-or-mild bronchopulmonary dysplasia (BPD) group and in the moderate-to-severe BPD group.
| No-or-mild BPD (n = 16) | Moderate-to-severe BPD (n = 9) | p value | |
|---|---|---|---|
| Gestational age (weeks) | 30 (27–32) | 27 (26–32) | 0.02 |
| Birth weight (g) | 1,374 (908–1,982) | 1,162 (670–1,434) | 0.01 |
| Boys/girls, n/n | 10/6 | 3/6 | 0.23 |
| Antenatal steroids, n | 15 | 9 | >0.99 |
| Chorioamnionitis, n | 7 | 4 | >0.99 |
| Apgar score (1 min) | 7 (2–9) | 3 (1–8) | 0.06 |
| Apgar score (5 min) | 8 (4–10) | 5 (2–9) | 0.02 |
| Septic episodes, n | 2 | 3 | 0.31 |
| Surfactant therapy, n | 11 | 9 | 0.12 |
| Mechanical ventilation (days) | 7 (0–32) | 8 (4–46) | 0.12 |
| Total dosage of hydrocortisone (mg/kg) | 1.0 (0.0–20.0) | 2.0 (2.0–13.8) | 0.09 |
| Phototherapy (postnatal days 0–4), n | 15 | 9 | >0.99 |
| Phototherapy (postnatal days 5–8), n | 4 | 1 | 0.62 |
| Phototherapy (postnatal days 12–15), n | 1 | 0 | >0.99 |
| Phototherapy (postnatal days 19–22), n | 0 | 0 | |
| Phototherapy (postnatal days 26–29), n | 0 | 0 |
Data are expressed as numbers, n, or the medians (ranges).
The Mann-Whitney U test and Fisher's exact probability test were used for the statistical analyses.
BPD: bronchopulmonary dysplasia.