Table 3 Multivariate logistic regression analysis of risk factors for mortality and severe morbidity

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