Clinical characteristics for very preterm infants with neurodevelopmental assessments at 3 years' CA
| Baseline Characteristicsa | Final Cohort (n = 69) | Excluded (n = 32) | P |
|---|---|---|---|
| Maternal age (mean) (SD) (yr) | 30.2 (6.0) | 30.1 (6.1) | .96 |
| Antenatal corticosteroid therapy (any) | 64 (92.8%) | 23 (71.9%) | .01 |
| Multiple gestation | 24 (34.8%) | 9 (28.1%) | .51 |
| Male sex | 39 (56.5%) | 15 (46.9%) | .37 |
| Gestational age (mean) (SD) (wk) | 28.4 (2.5) | 28.1 (2.5) | .68 |
| Birth weight (mean) (SD) (g) | 1121.4 (394.1) | 1131.6 (398.1) | .91 |
| 5-Minute Apgar score <5 | 12 (17.4%) | 9 (29.0%)b | .20 |
| Late-onset sepsis (culture-positive) | 9 (13.0%) | 4 (12.5%) | 1.00 |
| Severe bronchopulmonary dysplasia | 22 (31.9%) | 10 (31.3%) | 1.00 |
| Severe retinopathy of prematurity | 8 (11.6%) | 1 (3.1%) | .27 |
| Surgery requiring general anesthesia | 9 (13.0%) | 7 (21.9%) | .26 |
| MR imaging global brain abnormality score (median) (range) | 2 (0–9) | 3 (0–23) | .51 |
| Postmenstrual age at MR imaging (mean) (SD) (wk) | 40.4 (0.6) | 40.6 (0.8) | .35 |
| Cerebral palsy diagnosis, cases/total (%) | 7/65 (10.8%) | 2/20 (10.0%) | 1.00 |