Skip to main content

Table 1 Perinatal and neonatal clinical characteristics

From: Dichotomous development of the gut microbiome in preterm infants

Characteristic N = 45
Gestational age, weeks, (mean, SD) 28 (2)
Birth weight, grams, (mean, SD) 1126 (208)
Male 21 (46.7%)
Hispanic ethnicity 9 (20%)
Race
 Black 19 (42.2%)
 White 25 (55.6%)
Antenatal medications
 Steroids 39 (86.7%)
 Magnesium 34 (75.6%)
Vaginal birth 11 (24.4%)
Multiple birth 7 (15.6%)
Chorioamnionitis 26 (47.8%)
Maternal hypertension 13 (28.9%)
Small for gestational age 3 (6.7%)
Respiratory distress syndrome 26 (57.8%)
Oxygen on day 28 11 (24.4%)
Oxygen on day 36 2 (4.4%)
Patent ductus arteriosus 6 (13.3%)
Indomethacin 2 (4.4%)
Patent ductus arteriosus ligation 1 (2.2%)
Treated retinopathy of prematurity 0
Necrotizing enterocolitis 1 (2.2%)
Surgical necrotizing enterocolitis 1 (2.2%)
Days on antibiotics, (mean, SD) 4.5 (4.7)
Positive blood culture 5 (11.1%)
Packed red blood cell transfusion 16 (35.6%)
Feeding type
 Maternal breast milk only 25 (55.6%)
 Formula only 2 (4.4%)
 Mixed feeding types 18 (40.0%)
Discharge weight < 10th percentile 11 (24.4%)
Length of stay, days, (mean, SD) 68 (29)