Table 8. Stepwise logistic regression analysis for estimating effects of administration of antenatal corticosteroids (ACS), maternal & neonatal antibiotics in combination or singularly for predicting death in p[reterm infants while controlling for BW, GA, source of admission, mode of delivery and gender for infants 28 to 30 6/7 weeks GA.
| B | SE | Sig | Exp(B) | 95% CI for Exp(B) | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| BW per 250 g | -0.515 | 0.063 | 0.0001 | 0.597 | 0.528 | 0.675 |
| Gestational Age per week | -0.115 | 0.089 | 0.197 | 0.892 | 0.749 | 1.061 |
| Inborn | -0.797 | 0.177 | 0.0001 | 0.451 | 0.319 | 0.638 |
| ACS+ Maternal+ Neonatal Antibiotics | -0.923 | 0.215 | 0.0001 | 0.397 | 0.261 | 0.606 |
| ACS + Neonatal Antibiotics | -1.372 | 0.336 | 0.001 | 0.253 | 0.131 | 0.490 |
| ACS +Maternal Antibiotics | 0.610 | 0.483 | 0.206 | 1.84 | 0.715 | 4.72 |
| ACS only | 0.181 | 0.447 | 0.686 | 1.198 | 0.499 | 2.876 |
| Constant | 4.997 | 2.496 | 0.045 | 148.004 | ||
BW = Birth weight, GA = Gestational Age ACS = Antenatal Corticosteroids
Infants with missing values (n = 288) for predictors were excluded. Initial temperature was not included as a predictor due to 27.1% of missing values.