Appropriateness, endoscopic findings and contributive yield of pediatric gastrointestinal endoscopy

Table 5 Univariate 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	0.456	1.4	0.5-3.5
Diarrhea	0.010	2.6	1.5-4.2	0.940	0.4	0.4-1.8
Abdominal pain	0.020	2.1	1.1-4.0	0.750	0.9	0.5-1.7
Hematemesis	0.321	1.7	0.5-5.5	0.001	4.3	1.7-10.3
Melena	0.048	0.7	0.05-0.5	0.027	0.6	0.27-1.4
Hematochezia	0.065	2.0	0.9-4.3	0.040	2.8	1.3-5.7
Signs
Pallor	0.525	1.2	0.5-2.8	0.520	1.2	0.6-2.3
Hepatomegaly	0.551	1.4	0.43-4.7	0.825	0.9	0.5-1.7
Splenomegaly	< 0.001	0.082	0.029-0.2	0.227	0.6	0.3-1.2
Abdominal tenderness	0.396	0.5	0.14-2.1	0.242	0.37	0.07-1.9