Table 1.
Demographic and outcome characteristics of the infants.
| Control target group | High target group | p-Value | |
|---|---|---|---|
| Number of patients | 31 | 31 | |
| Gestational age (days)a | 178 (61–199) | 179 (163–201) | 0.32 |
| Birth weight (g)a | 690 (415–970) | 730 (440–990) | 0.62 |
| Male | 14 (45%) | 17 (55%) | 0.61 |
| Prenatal steroids | 26 (84%) | 29 (94%) | 0.43 |
| Apgar score 5-mina | 8.0 (5.0–10.0) | 8.5 (3.0–10.0) | 0.11 |
| Apgar score 10-mina | 9.0 (6.0–10.0) | 9.5 (5.0–10.0) | 0.18 |
| Age at intubation (h)a | 2 (0–21) | 0 (0–17) | 0.54 |
| Bronchopulmonary dysplasiab | 5 (17%) | 7 (23%) | 0.75 |
| Death | 1 (3%) | 0 (0%) | 1.00 |
| Intraventricular hemorrhage (all grades)b | 12 (40%) | 12 (39%) | 1.00 |
| Extubated at 36 weeks/monthb | 30 (100%) | 31 (100%) | 1.00 |
| Age at extubation (days)a | 25.5 (3–74) | 20 (2–77) | 0.42 |
| No continuous positive airway pressure (CPAP) 36 weeks/monthb | 27 (90%) | 26 (84%) | 0.71 |
| Age at CPAP termination (days)a | 57 (7–79) | 47 (7–73) | 0.15 |
| Mechanical ventilation (h)a | 1,252.5 (152–2,045) | 1,130 (42–2,059) | 0.23 |
| No O2 36 weeks/monthb | 25 (83%) | 25 (81%) | 1.00 |
aMedian (minimum–maximum), Mann–Whitney U-test; all others: Fisher’s exact test.
bn (% of surviving infants).