Table 5. Multivariate analysis of risk factors for intestinal necrosis.

Suspected risk factors	χ2	OR	95% CI		P value
			Lower	Upper
Eating disorders	0.328	1.89	0.22	16.53	0.567
Vomit	0.108	1.78	0.30	10.36	0.523
Hematochezia	0.062	0.80	0.13	4.74	0.803
Peritonitis	5.667	8.53	1.46	49.81	0.017

OR, odds ratio; CI, confidence interval.