Table III.
Maternal and neonatal characteristics of infants who had no intervention versus Intervention in PHVD group
| No intervention N=696 |
Intervention N=119 |
P-valuea | |
|---|---|---|---|
| Maternal variables | |||
| Age of mother (mean(SD))- years | N=694 27.52(6.49) |
27.71(5.72) | 0.53 |
| Antenatal steroids –n (%) | 556/694(80.1) | 94/119(79.0) | 0.78 |
| Complete-n (%) | 367/555(66.1) | 56/93(60.2) | 0.27 |
| Partial-n (%) | 188/555(33.9) | 37/93(39.8) | 0.29 |
| Delivery mode: Vaginal- n (%) | 302/696(43.4) | 41/119(34.5) | 0.07 |
| Histological chorioamnionitis- n (%) | 382/608(62.8) | 64/102(62.7) | 0.99 |
| Hypertension/preeclampsia-n (%) | 119/693(17.2) | 17/119(14.3) | 0.44 |
| Maternal education < high school- n (%) | 119/533(22.3) | 18/83(21.7) | 0.90 |
| Race: Black- n(%) |
293/663(44.2) | 64/116(55.2) | 0.03 |
| White- n(%) | 346/663(52.2) | 49/116(42.2) | 0.05 |
| Other- n(%) | 24/663(3.6) | 3/116(2.6) | 0.78 |
| Neonatal Variables | |||
| Outborn-n (%) | 32/696(4.60) | 6/119(5.04) | 0.83 |
| Gestational age –wks (mean(SD)) | 24.32(1.17) | 24.33(1.13) | 0.91 |
| Birth weight g (mean(SD) ) | 703.32(165.20) | 723.81(140.21) | 0.10 |
| Male-n (%) | 397/696(57.0) | 59/119(49.6) | 0.13 |
| Delivery room intubation-n (%) | 622/696(89.4) | 112/119(94.1) | 0.11 |
| Surfactant use-n (%) | 675/696(97.0) | 117/119(98.3) | 0.56 |
| Postnatal steroids- n (%) | 145/637(22.8) | 33/108(30.6) | 0.08 |
| Intraventricular hemorrhage- n (%) | 351/696(50.4) | 40/119(33.6) | <0.01 |
| Parenchymal Hemorrhage- n (%) | 325/696(46.7) | 77/119(64.7) | <0.01 |
| Oxygen at 36 weeks- n (%) | 327/450(72.7) | 98/115(85.2) | 0.01 |
| Necrotizing enterocolitis > Stage 2- n (%) | 83/696(11.9) | 23/119(19.3) | 0.03 |
| Late onset sepsis - n (%) | 207/642(32.2) | 46/119(38.7) | 0.17 |
| Retinopathy od prematurity requiring therapy- n (%) | 101/463(21.8) | 33/117(28.2) | 0.14 |
a
P-values obtained using chi-square test or Fisher’s exact test for categorical and Nonparametric Wilcoxon test for continuous outcomes.