Table II.
Characteristics of the cohort (n=20) and the maternal criteria, including infants with hypoxia (n=7) and without hypoxia (n=13).
| Characteristic | All infants (n=20) | Infants; transient hypoxia (n=7) | Infants; without hypoxia (n=13) |
| Gestational age (week)a | 27.6 (23.7–36.9) | 27.9 (25.2–33.0) | 29.3 (23.7–36.9) |
| Gender | |||
| Male | 7 | 2 | 5 |
| Female | 13 | 5 | 8 |
| Birth weight (g)a | 1,200 (560–3,000) | 1,088 (585–1,980) | 1,205 (560–3,000) |
| Delivery | |||
| Vaginal | 4 | 1 | 3 |
| Caesarean | 16 | 6 | 10 |
| Maternal criteria | |||
| Clinical chorioamnionitis | 7 | 4 | 3 |
| Prenatal antibiotics | 7 | 4 | 3 |
| Prenatal steroids (doses) | 14 | 6 | 8 |
| 0 | 6 | 1 | 5 |
| 1 | 11 | 5 | 6 |
| 2 | 3 | 1 | 2 |
| Tractocile™ | 9 | 4 | 5 |
| Preeclampsia | 9 | 3 | 6 |
| HELLP | 5 | 2 | 3 |
| Curosurf (doses) | |||
| 1 | 5 | 2 | 3 |
| 2 | 3 | 1 | 2 |
| Steroid treatment | 5 | 3 | 2 |
| Antibiotics (courses) | |||
| 0 | 5 | 1 | 4 |
| 1 | 7 | 3 | 4 |
| 2 | 2 | 0 | 2 |
| 3 | 3 | 1 | 2 |
| 4 | 2 | 1 | 1 |
| 5 | 1 | 1 | 0 |
| Outcome morbidities | |||
| PVL | 3 | 3 | 0 |
| IVH grade 1 | 1 | 1 | 0 |
| IVH grade 2 | 5 | 3 | 2 |
| PDA | 4 | 4 | 0 |
| BPD | 4 | 4 | 0 |
| NEC | 2 | 1 | 1 |
| ROP | 2 | 1 | 1 |
| Death | 1 | 0 | 1 |
a
median (min-max). PVL, periventricular leukomalacia; IVH, intraventricular hemorrhage; PDA, patent ductus arteriosus; BPD, bronchopulmonary dysplasia; NEC, necrotizing enterocolitis; ROP, retinopathy of prematurity.