Table 3.

Pathological features of lesions observed in groups A and B n (%)

Factors	Group A (n = 146)	Group B (n = 1194)	P value
Age (mean ± SD) (yr)	68.0 ± 9.9	64.3 ± 11.1	< 0.001
Gender
Male	119 (81.5)	801 (67.1)	< 0.001
Female	27 (18.5)	393 (32.9)
No. of family members with gastric cancer
None	103 (70.6)	917 (76.8)	0.046
1	30 (20.6)	224 (18.7)
≥ 2	13 (8.9)	53 (4.4)
Presence of cancer in other organs
Synchronous	4 (2.7)	48 (4.0)	0.450
Metachronous	20 (13.7)	107 (9.0)	0.065
Smoking habits
Never	49 (33.6)	536 (44.9)	0.020
BI < 400	19 (13.0)	157 (13.2)
BI ≥ 400	78 (53.4)	501 (42.0)
Drinking habits
Non-drinker	51 (34.9)	587 (49.2)	0.005
Occasional-drinker	55 (37.7)	340 (28.5)
Daily-drinker	40 (27.4)	267 (22.4)