Table 1

Association between clinicopathological factors and response to the Helicobacter pylori eradication

Factors	No. of response/all patients	Response rate (%)	p Value^*
Age
≤60 years	164/206	80	0.2048
≥61 years	159/214	74	0.2048
Sex
Male	128/184	70	0.0023
Female	195/236	83	0.0023
H pylori status
Positive	317/376	84	<0.0001
Negative	6/44	14	<0.0001
Dominant site of lesion
Proximal/multiple	113/172	66	<0.0001
Distal two-thirds	210/248	85	<0.0001
Endoscopic type
Superficial	241/282	85	<0.0001
Others	82/138	59	<0.0001
Clinical stage
I	304/378	80	<0.0001
II₁ or more	19/42	45	<0.0001
Depth of invasion by EUS (n=341)
Mucosa	156/179	87	<0.0001
Submucosa or beyond	98/162	60	<0.0001
t(11;18)/API2-MALT1 (n=206)
Positive	3/30	10	<0.0001
Negative	130/176	74	<0.0001

↵* Fisher exact probability test; p<0.0062 is significant using the Bonferroni correction.
EUS, endoscopic ultrasonography.