| 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 |