Table 1.
Demographics
| NEC (N=21, 0.3%) | No NEC (N=6689, 99.7%) | p value | |
|---|---|---|---|
| Birth weight (g) | <0.001 | ||
| < 1000 | 2 (10%) | 104 (2%) | |
| 1000–1499 | 5 (24%) | 237 (4%) | |
| 1500–2499 | 6 (28%) | 1159 (17%) | |
| 2500–3499 | 7 (33%) | 3724 (55%) | |
| ≥ 3500 | 1 (5%) | 1440 (22%) | |
| Gestational age (weeks) | <0.001 | ||
| < 28 | 3 (14%) | 80 (1%) | |
| 28–34 | 8 (38%) | 696 (11%) | |
| 35–36 | 1 (5%) | 799 (12%) | |
| > 36 | 9 (43%) | 5098 (76%) | |
| Male | 12 (57%) | 3995 (60%) | 0.83 |
| Race/ethnicity | 0.11 | ||
| White | 7 (35%) | 3524 (55%) | |
| Black | 4 (20%) | 754 (12%) | |
| Hispanic | 9 (45%) | 1752 (28%) | |
| Other | 0 (0%) | 345 (6%) | |
| Inborn | 11 (55%) | 4498 (68%) | 0.23 |
| Never fed | 3 (14%) | 2406 (36%) | <0.001 |
| Inotropes (days/patient)a | 2 (0, 8) | 0 (0, 29) | <0.001 |
| NPO (days/patient)a | 1.5 (0, 5) | 1 (0, 14) | 0.35 |
| Prostaglandins (days/patient)a | 26 (2, 66) | 1 (1, 87) | <0.001 |
a
Median and interquartile range.
Abbreviations: NEC, necrotizing enterocolitis; NPO, nil per os.