Table 1 Background characteristics of included patients.
Variables | |
|---|---|
Maternal information | |
Age (year) | 31.4 ± 5.6 |
Primipara | 133 (36.1) |
Multiple pregnancy | 63 (17.1) |
Gestational diabetes mellitus | 14 (3.8) |
Hypertensive disorders in pregnancy | 46 (12.5) |
Maternal transport | 128 (34.8) |
Antenatal steroid | 69 (18.8) |
Preterm rupture of membranes | 86 (23.4) |
Meconium-stained amniotic fluid | 41 (11.1) |
Cesarean delivery | 187 (50.8) |
Variables at birth | |
Male sex | 206 (56.0) |
Gestational age at birth (week) | 36.2 ± 2.8 |
Body weight (g) | 2319 ± 623 |
Body height (cm) | 44.6 ± 3.9 |
Head circumference (cm) | 31.7 ± 2.2 |
Apgar score at 1 min | |
Apgar score at 5 min | |
Small for gestational age | 78 (21.2) |
Large for gestational age | 7 (1.9) |
Inborn infants | 258 (70.1) |
Blood biomarkers | |
Ferritin (μg/L) | 149 [81.3, 236] |
Hemoglobin (g/dL) | 18.2 [16.4, 20.0] |
White blood cell count (103/mm3) | 13.0 [9.8, 17.6] |
Monocyte count (103/mm3) | 6.7 [3.5, 10.6] |
Platelet count (103/mm3) | 2.54 [2.11, 2.98] |
Lactate dehydrogenase (IU/L) | 448 [388, 589] |
C-reactive protein (mg/dL) | 0.0 [0.0, 0.0] |
pH | 7.294 [7.236, 7.341] |
Base excess (mEq/L) | -3.4 [-7.0, -1.3] |
Clinical comorbidities | |
Positive blood culture at admission | 0 (0.0) |
Symptomatic ductus arteriosus* | 12 (3.2) |
Symptomatic ductus arteriosus requiring surgical closure | 6 (1.6) |
Intestinal perforation | 1 (0.3) |
Respiratory failure requiring mechanical ventilation | 118 (32.1) |
Prolonged mechanical ventilation > 72 h | 71 (19.3) |
Chronic lung disease assessed on day 28 | 1 (0.3) |
Severe retinopathy of prematurity requiring photocoagulation | 1 (0.3) |
Death | 4 (1.1) |
