Current status of Helicobacter pylori eradication and risk factors for eradication failure

Table 1 Demographic and clinical characteristics of patients with Helicobacter pylori infection

Variable	Cases (n)	Percentage
Overall cases	2610
Gender
Male	1088	41.70%
Female	1522	58.30%
Age, range (yr)
< 30	582	22.30%
30-40	576	22.10%
40-50	478	18.30%
50-60	528	20.20%
> 60	446	17.10%
Chief complaint
Upper abdominal pain	406	15.60%
Abdominal distension	643	24.60%
Nausea	138	5.30%
Acid regurgitation or heartburn	250	9.60%
Bitter taste in mouth	157	6.00%
Belching	224	8.60%
Increased stool frequency	143	5.50%
Others	152	5.80%
No symptoms	1309	50.20%
Received gastroscopy	1390	53.30%
Endoscopic and pathological findings
Peptic ulcer	244	9.30%
Pre-neoplastic lesions	416	15.90%
MALT lymphoma or gastric cancer	17	0.70%
Eradication attempts
Primary	2237	85.70%
Rescue	373	14.30%