Research of Helicobacter pylori infection in precancerous gastric lesions

Table 1 Relation between precancerous gastric lesions and age and sex

Variables	n	CSG		CAG		IM		DYS
		n	%	n	%	n	%	n	%
Sex
Male	314	96	30.6	142	45.2	43	13.7	33	10.5
Female	172	67	38.9	65	37.8	28	16.3	12	7
Age (yrs)
≤ 40	184	64	34.9	98	53.5	13	7.0a	9	4.6b
41-55	171	52	30.3	70	41.2	30	17.3	19	10.8
≥ 56	131	40	30.5	46	35.4	28	21.1a	17	13.0b

^aP < 0.05,

^bP < 0.05.