Table 4. Independent risk factors associated with prognosis in NEC infants.

Variables	β	SE	Wald	P	OR	95%CI
Total
Respiratory failure	1.886	0.732	6.634	0.01	6.595	1.57–27.71
Kidney failure	2.614	1.048	6.224	0.013	13.656	1.752–106.466
Peritonitis	2.672	0.455	34.461	0.000	14.465	5.928–35.297
Early-onset group
Kidney failure	3.016	1.032	8.541	0.003	10.331	2.7–154.173
Peritonitis	2.862	0.555	26.563	0.000	17.49	5.891–51.931
Late-onset group
Respiratory failure	2.487	1.125	4.888	0.027	12.03	1.326–109.141
Peritonitis	3.024	0.886	11.65	0.001	20.579	3.624–116.85