Table 1.
Basic characteristics of all participants
| Variables | Stage II-III NEC, n = 106 | Suspected Stage I NEC, n = 99 | Healthy, n = 200 | P-value* |
|---|---|---|---|---|
| Age at diagnosis, weeks | 47.82 ± 24.29 | 51.98 ± 24.39 | 50.09 ± 23.45 | 0.457 |
| Gender, female (%) | 45 (43.69) | 41 (41.41) | 90 (45.00 %) | 0.874 |
| Gestational age, weeks | 31.04 ± 4.88 | 32.53 ± 4.84 | 36.46 ± 2.82 | < 0.001 |
| Birth weight, kg | 2.74 ± 0.76 | 2.72 ± 0.73 | 3.45 ± 0.62 | < 0.001 |
| 1-min Apgar score | 6.97 ± 1.38 | 7.06 ± 1.30 | 6.99 ± 1.46 | 0.894 |
| 5-min Apgar score | 8.05 ± 1.37 | 7.87 ± 1.41 | 7.97 ± 1.42 | 0.666 |
| Delivery mode, n (%) | 0.836 | |||
| Vaginal delivery | 64 (60.38) | 62 (62.63) | 117 (58.50) | |
| Caesarean delivery | 42 (39.62) | 37 (37.37) | 83 (41.50) | |
| Surgery methods, n (%) | ||||
| Laparotomy | 52 (49.06) | - | - | |
| Peritoneal Drainage | 54 (50.94) | - | - | |
| Mortality rate, n (%) | 19 (17.94) | - | - | |
*Comparisons among three or more groups were performed by one-way analysis of variance (ANOVA), followed by Tukey’s post hoc test