Cohort analysis of pediatric intussusception score to diagnose intussusception

Table 3 Area under the receiver operating characteristic curve of the promising parameters and proposed models for children suspected of intussusception

Promising parameters and proposed models	AUC	95%CI		P value
AR	0.650	0.560	0.741	0.002a
Male gender	0.507	0.412	0.603	0.882
Age 6 mo to 2 years	0.617	0.524	0.711	0.016a
Vomiting	0.504	0.408	0.600	0.933
Bloody stool	0.551	0.457	0.645	0.293
Abdominal pain or irritability	0.534	0.437	0.630	0.490
Abdominal distension	0.517	0.422	0.613	0.725
Palpable abdominal mass	0.622	0.535	0.710	0.012a
Afebrile state	0.556	0.460	0.653	0.247
Lethargy	0.532	0.436	0.628	0.511
Model 1: AR + age 6 mo to 2 years + irritability or abdominal pain	0.704	0.616	0.792	< 0.001a
Model 2: AR + age 6 mo to 2 years + irritability or abdominal pain + palpable abdominal mass	0.763	0.688	0.839	< 0.001a
Model 3: AR + age 6 mo to 2 years + irritability or abdominal pain + abdominal distension	0.640	0.550	0.729	0.004a
Model 4: AR + age 6 mo to 2 years + irritability or abdominal pain + vomiting	0.701	0.613	0.790	< 0.001a

AR: Abdominal X-ray; CI: Conference interval; AUC: Area under the curve.

^aStatistical significance or P < 0.05.