Table 2 Findings from univariable analysis.
Variables | Mean | Regression coefficient | P-value | |
|---|---|---|---|---|
95% confidence interval | ||||
Lower | Upper | |||
Maternal information | ||||
Maternal age (year) | -0.027 | -0.048 | -0.007 | 0.008 |
Primipara | -0.045 | -0.124 | 0.033 | 0.259 |
Multiple pregnancy | -0.444 | -0.743 | -0.144 | 0.004 |
Gestational diabetes mellitus | -0.326 | -0.921 | 0.269 | 0.282 |
Hypertensive disorders in pregnancy | -0.768 | -1.104 | -0.432 | < 0.001 |
Antenatal steroid | -0.201 | -0.492 | 0.091 | 0.176 |
Preterm rupture of membrane | 0.076 | -0.193 | 0.345 | 0.579 |
Meconium-stained amniotic fluid | 0.511 | 0.152 | 0.869 | 0.005 |
Cesarean delivery | -0.111 | -0.352 | 0.130 | 0.364 |
Variables at birth | ||||
Male sex | 0.077 | -0.153 | 0.306 | 0.511 |
Gestational age (week) | 0.128 | 0.089 | 0.167 | < 0.001 |
Body weight (kg) | 0.662 | 0.492 | 0.833 | < 0.001 |
Z-score | 0.412 | 0.306 | 0.518 | < 0.001 |
Body height (cm) | 0.114 | 0.086 | 0.141 | < 0.001 |
Z-score | 0.439 | 0.334 | 0.544 | < 0.001 |
Head circumference (cm) | 0.177 | 0.129 | 0.225 | < 0.001 |
Z-score | 0.390 | 0.284 | 0.497 | < 0.001 |
Small for gestational age | -0.540 | -0.813 | -0.267 | < 0.001 |
Large for gestational age | -0.486 | -1.308 | 0.336 | 0.245 |
Apgar score at 1 min | -0.132 | -0.185 | -0.079 | < 0.001 |
Apgar score at 5 min | -0.208 | -0.290 | -0.126 | < 0.001 |
Inborn infants | -0.746 | -0.983 | -0.509 | < 0.001 |
Blood biomarkers at admission | ||||
Hemoglobin (g/dL) | -0.119 | -0.157 | -0.080 | < 0.001 |
White blood cell (103/mm3) | 0.034 | 0.022 | 0.047 | < 0.001 |
Monocyte count (102/mm3) | 0.039 | 0.020 | 0.059 | < 0.001 |
Platelet count (105/mm3) | 0.078 | − 0.069 | 0.226 | 0.295 |
Lactate dehydrogenase (102 IU/L) | 0.102 | 0.078 | 0.126 | < 0.001 |
C-reactive protein (mg/dL) | 0.176 | 0.044 | 0.309 | 0.009 |
pH | -2.679 | -3.744 | -1.614 | < 0.001 |
Base excess (mEq/L) | -0.082 | -0.107 | -0.057 | < 0.001 |
Clinical comorbidities | ||||
Symptomatic ductus arteriosus* | 0.262 | -0.379 | 0.903 | 0.442 |
Respiratory failure requiring mechanical ventilation | -0.252 | -0.495 | -0.009 | 0.042 |
Prolonged mMechanical ventilation > 72 h | -0.436 | -0.721 | -0.150 | 0.003 |
