Table 1.
Patient characteristics
| N | ||
|---|---|---|
| Gestation age, median (IQR) | 135 | 26 (25–28) |
| Birth weight, median (IQR) | 135 | 880 (760–1040) |
| Mother received ANS | 135 | 121 (89.6) |
| Infant had supplemental oxygen in DR | 135 | 96 (71.1) |
| Infant received surfactant in the DR | 135 | 111 (82.2) |
| Maternal education >HS,a N (%) | 128 | 47 (36.7) |
| Severe findings on neuroimaging,b N (%) | 135 | 6 (4.4) |
| Failed RAC at 36 weeks,c n (%) | 133 | 73 (55) |
| 40-Week respiratory support | ||
| On any support, n (%) | 135 | 56 (41) |
| FiO2 in %, mean (range) | 135 | 42.7 (21–100) |
| Flow in L, mean (range) | 135 | 0.53 (0–9) |
| RSI, mean (range) | 135 | 20.4 (0–312) |
| DAYC scores at 12 months, median (IQR), range | ||
| Cognitive | 121 | 107 (98.5–112.5), 68–132 |
| Communication | 121 | 104 (98–110), 73–127 |
| Motor | 121 | 100 (94–107), 58–117 |
Abbreviations: ANS, antenatal steroid; DAYC, Developmental Assessment of Young Children; DR, delivery room; HS, high school; IQR, interquartile range (25th–75th); RAC, room air challenge; RSI, Respiratory Severity Index (fractional inspired oxygen received (FiO2) × mean airway pressure (MAP) or flow).
a
Educational status was divided into high school education or less vs partial college or more.
b
Persistent periventricular leukomalacia, severe intraventricular hemorrhage (Grade III or IV) or cerebellar hemorrhage.
c
Two infants transferred before obtaining data. This is the most recent definition of bronchopulmonary dysplasia (BPD).