Table 3.

The stepwise regression model of risk factors of recurrent intussusception

Variables	OR	95% CI	P value
Age	2.117	1.476 to 3.035	<0.0001
The duration of symptoms	2.868	1.929 to 4.262	<0.0001
Vomiting	0.500	0.324 to 0.770	0.0016
Right abdomen	2.076	1.047 to 4.113	0.0364
Pathological lead point present	6.308	2.972 to 13.387	<0.0001

Hosmer and Lemeshow goodness-of-fit test: χ² value=2.5382, P=0.8643.