B-value

SE

P-value

OR

95% CI

GA at birth (wk)

−0.736

0.255

0.004

0.479

0.291 - 0.789

Birth weight (g)

0.002

0.002

0.183

1.002

0.999 - 1.006

1-min Apgar score

−0.118

0.245

0.629

0.888

0.550 - 1.436

5-min Apgar score

−0.109

0.255

0.669

0.897

0.543 - 1.479

NRDS (%)

1.816

0.866

0.036

6.146

1.125 - 33.574

Neonatal pneumonia (%)

−0.090

0.991

0.928

0.914

0.131 - 6.376

Positive sputum bacterial culture

1.110

0.595

0.062

3.035

0.945 - 9.744

Pulmonary hemorrhage (%)

1.254

1.232

0.309

3.504

0.314 - 39.161

Apnea (%)

0.619

0.618

0.317

1.857

0.552 - 6.239

Respiratory failure (%)

1.092

0.585

0.062

2.981

0.948 - 9.378

Sepsis (%)

−0.757

0.590

0.200

0.469

0.148 - 1.491

Blood-stained amniotic fluid (%)

−0.882

0.460

0.055

0.414

0.168 - 1.020

hypertensive disorders of pregnancy (%)

0.080

0.775

0.918

1.083

0.237 - 4.946

Small for gestational age (%)

−0.280

0.877

0.749

0.755

0.135 - 4.216

Use of PS (%)

0.642

0.713

0.368

1.900

0.469 - 7.689