Table 3.
Multivariate logistic regression analysis of risk factors for mortality and severe morbidity
| Factors | Mortality | Morbidity | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| B value | Wald | OR | 95 % CI | P | B value | Wald | OR | 95 % CI | P | |
| GA | −0.115 | 3.930 | 0.891 | 0.796–0.999 | 0.047 | −0.406 | 624.097 | 0.666 | 0.645–0.688 | 0.000 |
| Birth weight | −0.654 | 36.228 | 0.520 | 0.420–0.643 | 0.000 | −0.082 | 4.160 | 0.921 | 0.851–0.997 | 0.041 |
| male | 0.165 | 1.655 | 1.180 | 0.917–1.518 | 0.198 | 0.211 | 22.444 | 1.235 | 1.132–1.347 | 0.000 |
| Caesarean section | 0.278 | 2.364 | 1.321 | 0.926–1.884 | 0.124 | 0.027 | 0.505 | 1.027 | 0.954–1.105 | 0.477 |
| Antenatal steroid use | 0.191 | 1.943 | 1.615 | 1.233–1.901 | 0.033 | 0.021 | 0.199 | 1.021 | 0.933–1.117 | 0.655 |
| Gestational diabetes | −0.273 | 0.579 | 0.761 | 0.377–1.537 | 0.447 | −0.099 | 1.521 | 0.906 | 0.775–1.060 | 0.218 |
| SGA | 0.621 | 6.349 | 1.861 | 1.148–3.017 | 0.012 | 0.413 | 29.072 | 1.511 | 1.300–1.755 | 0.000 |
| PROM | −0.161 | 0.847 | 0.851 | 0.604–1.200 | 0.357 | 0.027 | 0.481 | 1.027 | 0.953–1.107 | 0.488 |
| placental abruption | 0.511 | 3.328 | 1.667 | 0.963–2.887 | 0.068 | 0.322 | 6.711 | 1.380 | 1.082–1.760 | 0.010 |
| Placenta previa | −0.202 | 0.424 | 0.817 | 0.444–1.502 | 0.515 | 0.373 | 15.037 | 1.452 | 1.202–1.753 | 0.000 |
| HDCP | 0.141 | 0.421 | 1.151 | 0.753–1.760 | 0.517 | 0.190 | 7.358 | 1.209 | 1.054–1.387 | 0.007 |
| Multiple birth | −0.017 | 0.009 | 0.983 | 0.698–1.384 | 0.923 | 0.150 | 9.502 | 1.162 | 1.056–1.278 | 0.002 |
| Apgar < 7 at 5 min | 0.666 | 9.321 | 1.947 | 1.269–2.987 | 0.002 | 0.816 | 116.087 | 2.262 | 1.950–2.624 | 0.000 |
| Maternal fever before delivery | 0.100 | 0.292 | 1.105 | 0.770–1.585 | 0.589 | 0.312 | 32.891 | 1.367 | 1.228–1.521 | 0.000 |
GA gestational age, SGA small for gestational age, PROM Premature rupture of membrane, HDCP hypertensive disorder complicating pregnancy