Table 5.
The multivariate analysis of the DR intubation risk based on logistic regression.
| Variables | OR (95% CI) | χ 2 | P value |
|---|---|---|---|
| dynPEEP vs. PPV | 0.054 (0.012, 0.239) | 14.70 | 0.001 |
| Apgar score at 1 min | 0.48 (0.29, 0.81) | 7.49 | 0.0062 |
| Neonatal Demographics | |||
| Gestational age | 0.34 (0.16, 0.75) | 7.15 | 0.0075 |
| Birthweight | 1.00 (0.997, 1.005) | 0.20 | 0.6532 |
| Male sex | 1.31 (0.41, 4.21) | 0.20 | 0.6520 |
| Singleton birth | 1.25 (0.35, 4.53) | 0.12 | 0.7309 |
| Cesarean delivery | 2.37 (0.61, 9.22) | 1.54 | 0.2139 |
| SGA | <0.001 (<0.001, >999.99) | 0.0003 | 0.9873 |
| DCC | 1.10 (0.29, 4.19) | 0.02 | 0.8904 |
| Maternal Demographics | |||
| Pregnancy-induced hypertension | 8.29 (1.40, 49.05) | 5.44 | 0.0197 |
| GDM | 0.38 (0.10, 1.51) | 1.89 | 0.1693 |
| PROM | 1.24 (0.35, 4.36) | 0.11 | 0.7418 |
| Chorioamnionitis | 0.20 (0.03, 1.30) | 2.84 | 0.0919 |
| Antenatal steroids (full course) | 0.34 (0.07, 1.56) | 1.93 | 0.1647 |
| Antenatal magnesium sulfate | 0.48 (0.09, 2.46) | 0.78 | 0.3785 |
| Antenatal antibiotics | 10.42 (2.18, 49.77) | 8.63 | 0.0033 |
OR, odds ratio; CI, confidence interval; SGA, Small for gestational age; DCC, delayed cord clamping; GDM, gestational diabetes mellitus; ICP, intrahepatic cholestasis of pregnancy; PROM, premature rupture of membranes; PPV, positive pressure ventilation; dynPEEP, dynamic positive end expiratory pressure; DR, delivery room.
Note: The χ2 represents the power of the association in the logistic regression model.