Table 4 Results of multivariate analysis for the risks of BPD
Odds ratio | 95% CI | P value | |
|---|---|---|---|
Gestational age at delivery for less than 24.1 weeks | 18.80 | 1.160–306.0 | < 0.05 |
CAM stage III in pathologic examination of the placenta | 0.888 | 0.274–2.880 | n.s. |
Male sex of the neonate | 1.630 | 0.523–5.080 | n.s. |
Small for gestational age(< 10% tile) | 0.127 | 0.009–1.880 | n.s. |
Duration of oligohydramnios for more than 4 days before delivery | 6.240 | 1.710–22.70 | < 0.05 |
Use of positive pressure ventilation after birth | 7.870 | 0.749–82.60 | n.s. |