Table 4.
Characteristics of the NEC infants at three separate time frames.
| NEC groups | LBN (n = 5) | SBN (n = 14) | AN (n = 5) |
|---|---|---|---|
| Gestational age (weeks) | 26.0 (25.3–26.7) | 27.2 (25.4–28.0) | 28.4 (28.1–28.4) |
| Birth weight (grams) | 875 (800–920) | 885 (670−1,065) | 1,040 (900–1,040) |
| Sex (male) | 4 (80%) | 10 (71%) | 3 (60%) |
| Postnatal age at time of sample (days) | 26 (24–27) | 12 (9–19) | 24 (21–27) |
| Time from sample to NEC onset (days) | 14 (17–21) | 1 (1–4) | 10 (9–10)∧ |
| Age at onset NEC (days) | 41 (38–42) | 11 (9–18) | 9 (9–13) |
| Bell Stage IIA | 4 (80%) | 6 (43%) | 4 (80%) |
| Bell Stage IIB | 1 (20%) | 2 (14%) | 0 (0%) |
| Bell Stage III | 0 (0%) | 6 (43%) | 1 (20%) |
| Treatment, conservative | 5 (100%) | 6 (43%) | 4 (80%) |
| Treatment, surgical | 0 (0%) | 8 (57%) | 1 (20%) |
| NEC as cause of death | n.a. | 6 (43%) | n.a. |
Characteristics given as median and (IQR) or frequency and (percentage).
∧
Days after NEC onset. NEC, Necrotizing Enterocolitis; LBN, Long Before NEC; SBN, a Short time Before NEC; AN, After NEC; n.a., not applicable.