Table 1.

Patient characteristics.

Demographic Characteristics	Frequency (n = 237)	Percentage (%)
Gender
Male	116	48.9
Female	121	51.1
Age
Mean age	10.03 ± 2.53
5–8 years	60	25.3
9–12 years	122	51.5
13–16 years	55	23.2
Geographic area
Can Tho city	150	63.3
Nearby regions	87	36.7
Endoscopy findings
Nodular Gastritis/duodenitis	168	69.2
Gastric ulcer	5	2.1
Duodenal ulcer	68	28.7
History eradication
Without previous therapy	183	77.2
Prior to H. pylori treatment	54	22.8