Table I.

Characteristics of the control patients and patients with gastric cancer with or without H. pylori infection.

	H. pylori-positive, n		H. pylori-negative, n
	GC	Con	GC	Con	χ2 (GC/Con)	P-value
Age (years)					0.32/0.23	>0.05
<60	11	28	12	24
>60	22	10	21	8
Sex					0.29/0.03	>0.05
Male	21	17	17	15
Female	12	21	16	17

H. pylori, Helicobacter pylori; GC, gastric cancer; Con, control.