Table I Demographic, maternal, and postnatal characteristics
| Characteristics | NEC (n = 24) | No NEC (n = 390) | P value |
|---|---|---|---|
| Gestational age, wk, median (IQR) | 27 (3) | 27 (3) | .53 |
| Birth weight, g, median (IQR) | 790 (290) | 900 (350) | .03 |
| Female sex, n (%) | 11 (46) | 187 (48) | .82 |
| Race, n (%) | |||
| African-American | 1 (4) | 12 (3) | |
| Caucasian | 2 (8) | 128 (33) | |
| Latino | 15 (63) | 148 (38) | |
| Asian | 6 (25) | 86 (22) | |
| Other | 0 (0) | 16 (4) | .07 |
| Antenatal steroids (completed course), n (%) | 13 (54) | 238 (61) | .50 |
| Cesarean delivery, n (%) | 16 (67) | 285 (73) | .51 |
| Apgar score at 1 min, median (IQR) | 5 (5) | 5 (5) | .82 |
| Apgar score at 5 min, median (IQR) | 7 (5) | 7 (2) | .50 |
| PDA, n (%) | 14 (58) | 207 (53) | .61 |
| Intestinal malformation, n (%) | 1 (4) | 16 (4) | .94 |
| Any malformation, n (%) | 5 (21) | 74 (19) | .82 |
| Genetic anomaly, n (%) | 1 (4) | 16 (4) | .99 |
| Previous intestinal surgery, n (%) | 2 (8) | 20 (5) | .32 |
| Deceased, n (%) | 2 (8) | 39 (10) | .93 |
| Total transfusions during hospitalization, mean ± SD | 13 ± 8 | 7 ± 6 | <.001 |
| Total transfusions, excluding those after NEC diagnosis, mean ± SD | 6 ± 7 | 7 ± 6 | .45 |
PDA, patent ductus arteriosus.