Table 1. Demographical and clinical characteristics of the patients.

Demographic characteristics		Frequency	Percentage
Age groups	1-11	0	0
	12-21	14	35
	22-31	13	32
	32-41	8	20
	42-51	4	10
	52-61	1	2.5
Diarrhea	Present	19	47.5
	Not present	20	50
	Failed to mention	1	2.5
Anemia	Present	12	30.0
	Not present	27	67.5
	Failed to mention	1	2.5
Vomiting	Present	1	2.5
	Not present	38	95.0
	Failed to mention	1	2.5
Dyspepsia	Present	13	32.5
	Not present	26	65.0
	Failed to mention	1	2.5
Bloating	Present	1	2.5
	Not present	38	95.0
	Failed to mention	1	2.5
Weight loss	Present	3	7.5
	Not present	36	90.0
	Failed to mention	1	2.5
Abdominal pain	Present	10	25.0
	Not present	29	72.5
	Failed to mention	1	2.5
Epigastric pain	Present	22	55.0
	Not present	17	42.5
	Failed to mention	1	2.5