Appropriateness, endoscopic findings and contributive yield of pediatric gastrointestinal endoscopy

Table 6 Multivariate analysis for clinical parameters predicting a positive (abnormal) endoscopic finding

Clinical parameters	Positive contributive yield (a change in diagnosis)			Positive contributive yield (a change in treatment)
	P value	OR	95%CI	P value	OR	95%CI
Symptoms
Vomiting	< 0.001	4.5	2.0-10.3	0.827	0.9	0.4-2.6
Diarrhea	0.014	2.6	1.5-4.7	0.448	0.8	0.4-1.4
Abdominal pain	< 0.001	3.7	2.1-6.4	0.664	0.6	0.4-1.6
Hematemesis	0.251	1.5	0.7-3.3	< 0.001	4.3	1.8-9.5
Melena	0.080	1.7	0.9-4.3	0.022	2.9	1.0-5.2
Hematochezia	0.010	3.1	1.6-6.3	0.020	1.9	1.1-4.5
Signs
Pallor	0.768	1.4	0.5-2.1	0.113	2.0	0.8-3.0
Hepatomegaly	0.004	0.2	0.1-0.5	0.629	1.3	0.6-1.9
Splenomegaly	< 0.001	0.08	0.04-0.17	0.198	1.3	0.8-2.0
Abdominal tenderness	0.267	1.9	0.5-2.1	0.097	0.2	0.05-3.0