Table 3. Risk factors associated with prognosis in early- and late-onset NEC infants [%(n)].
| Variables | Early-onset group (n = 150) | Late-onset group (n = 103) | ||||||
|---|---|---|---|---|---|---|---|---|
| Survivor group (n = 126) | Nonsurvivor group (n = 24) | χ2 | P | Survivor group (n = 91) | Nonsurvivor group (n = 12) | χ2 | P | |
| NEC stage III,% (n) | 18.3 (23) | 75 (18) | 32.684 | 0.00 | 7.7 (7) | 50 (6) | 13.585 | 0.000* |
| Complications after NEC | ||||||||
| Peritonitis, % (n) | 11.9 (15) | 66.7 (16) | 33.61* | 0.00 | 3.3 (3) | 50 (6) | 23.438 | 0.000* |
| Sepsis, % (n) | 24.6 (31) | 66.7 (16) | 16.579 | 0.00 | 16.7 (16) | 58.3 (7) | 7.938 | 0.005 |
| Respiratory failure, % (n) | 2.4 (3) | 25 (6) | 14.497* | 0.00 | 2.2 (2) | 33.3 (4) | 0.001* | |
| Kidney failure | 1.6 (2) | 16.7 (4) | 0.006* | 0 | 8.3 (1) | 0.117* | ||
| Shock, % (n) | 1.6 (2) | 16.7 (4) | 0.006* | 0 | 16.7 (2) | 0.013* | ||
| MODS, % (n) | 0 | 8.3 (2) | 0.025* | 0 | 0 | |||
| Heart failure, % (n) | 0 | 4.2 (1) | 0.16* | 0 | 8.3 (1) | 0.117* | ||
MODS: Multiple organ dysfunction syndrome; *p-value for Fisher’s Exact Test.