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) |