. 2005 Mar 7;11(9):1387–1391. doi: 10.3748/wjg.v11.i9.1387

Table 3.

Relationships between H pylori infection and gastric carcinomas in age, sex, site and lymph node metastasis.

Factors	Total cases	H pylori positive		χ²	P
Factors	Total cases	PCR	WS	χ²	P
Age (yr)
≥60	29	7	11	1.999^P	0.157^P
<60	80	35	47	3.705^W	0.054^W
Sex
Male	64	23	33	1.131^P	0.288^P
Female	45	19	25	2.500^W	0.114^W
Locus
Gastric antrum	55	22	29	1.221^P	0.269^P
Gastric fundus and gastric corpus	54	20	29	0.079^W	0.778^W
Lymph node metastasis
LN+	66	26	36	0.052^P	0.819^P
LN-	43	16	22	0.120^W	0.440^W

P: PCR results, W: WS results.