Table 1.
Characteristics of survivors and non-survivors and multivariate logistic regression for death in all VLBWIs (N = 15,766).
| Variable | Survivor (n = 13,769) | Non-survivor (n = 1997) | P-value | Adjusteda OR (95% CI) | P-value |
|---|---|---|---|---|---|
| Perinatal & Neonatal | |||||
| Antenatal steroids | 11,523(83.7) | 1562(78.2) | < 0.001 | 0.57(0.50–0.66) | < 0.001 |
| Gestational age | 29+2 ± 2+6 | 26+1 ± 2+3 | < 0.001 | 0.78(0.75–0.81) | < 0.001 |
| Birth weight (g) | 1125.3 ± 260.3 | 786.6 ± 254.8 | < 0.001 | 0.99(0.99–0.99) | < 0.001 |
| Male sex | 6792(49.3) | 1088(54.5) | < 0.001 | 1.34(1.20–1.50) | < 0.001 |
| 5- min Apgar score | 7.1 ± 1.6 | 5.4 ± 2.1 | < 0.001 | 0.82(0.80–0.84) | < 0.001 |
| Congenital anomalies | 374(2.7) | 178(8.9) | < 0.001 | 6.99(5.51–8.85) | < 0.001 |
CI, Confidence interval; OR, Odds ratio; VLBWIs, Very low birth weight infants. Values are presented as means ± SD or n (%). aLogistic regression model for the mortality of all VLBWIs based on the selected risk factors.