Table 1.

Characteristics of patients of groups I and II by sex, positive H pylori (+), average age and macroscopic evaluation of gastric mucosa determined according to the Sydney system[8].

Selection criteria	Sex / Hp(+)		Average age (yr)	Sydney system
	Female	Male		I	II	III	IV
Group I (no familiar cancer)	7/3	4/2	46.3	3	5	2	1
Group II (stomach cancer in first-degree relatives and cancer of other organs in first- or second- degree relatives)	6/3	4/2	47.4	1	1	2	6