Table 3.
Comparison of postnatal factors between cases of neonatal hypertension and controls
| Characteristic | Infants with HTN (cases), N = 40 | Infants without HTN (controls), N = 134 | P value |
|---|---|---|---|
| Gestational age at delivery, weeks | 27.70 ± 2.73 | 28.91 ± 2.99 | 0.023 |
| Birth weight, g | 1065.0 ± 467.0 | 1222.1 ± 453.3 | 0.058 |
| Birth weight percentile, % | 42.28 ± 24.36 | 39.00 ± 25.51 | 0.473 |
| Sex (male) | 23 (57.5%) | 72 (53.7%) | 0.674 |
| Surfactant | 30 (75.0%) | 59 (44.0%) | 0.001 |
| Intraventricular hemorrhage | 7 (17.5%) | 25 (18.8%) | 0.853 |
| Severe IVH | 2 (5.0%) | 12 (9.0%) | 0.526 |
| Need for inotropes | 2 (5.1%) | 14 (10.5%) | 0.530 |
| Bronchopulmonary dysplasia | 18 (45.0%) | 36 (27.1%) | 0.032 |
| Neonatal indicated indomethacin | 3 (7.5%) | 8 (6.0%) | 0.717 |
| Respiratory distress syndrome | 38 (95.0%) | 105 (79.5%) | 0.022 |
| Hours respiratory support | 1737.13 ± 1094.90 | 1144.07 ± 1313.62 | 0.005 |
| Patent ductus arteriosus | 23 (57.5%) | 57 (42.9%) | 0.103 |
| Umbilical artery catheterization | 17 (42.5%) | 33 (25.0%) | 0.033 |
| Pulmonary hypertension | 4 (10.0%) | 17 (12.8%) | 0.637 |
| CGA at discharge | 41.86 ± 5.54 | 39.30 ± 5.44 | 0.010 |
| Neonatal death | 0 | 3 (2.2%) | 0.340 |