Table 9. Stepwise logistic regression analysis for estimating effects of administration of antenatal corticosteroids (ACS), maternal & neonatal antibiotics in combination or singularly for predicting death in preterm infants while controlling for BW, GA, source of admission, mode of delivery and gender for infants 31 to 346/7 weeks.
| B | SE | Sig | Exp(B) | 95% CI for Exp(B) | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| BW per 250 g | -0.527 | 0.057 | 0.0001 | 0.590 | 0.528 | 0.660 |
| Gestational Age per week | -0.268 | 0.078 | 0.001 | 0.765 | 0.657 | 0.891 |
| Inborn | -0.295 | 0.177 | 0.095 | 0.745 | 0.527 | 1.053 |
| ACS+ Maternal+ Neonatal Antibiotics | -1.267 | 0.227 | 0.0001 | 0.282 | 0.181 | 0.439 |
| ACS + Neonatal Antibiotics | -0.957 | 0.327 | 0.003 | 0.384 | 0.202 | 0.728 |
| ACS +Maternal Antibiotics | 1.468 | 0.466 | 0.011 | 3.25 | 1.305 | 8.102 |
| ACS only | 1.179 | 0.324 | 0.071 | 1.796 | 0.952 | 3.399 |
| Constant | 9.76 | 2.49 | 0.0001 | 17332.5 | ||
BW = Birth weight, GA = Gestational Age ACS = Antenatal Corticosteroids