TABLE 2.

vacA-genotyped isolates and disease state^b

Parameter	Value
	Total	vacA-genotyped isolates	Disease state of vacA-genotyped isolates
			Gastritis	Gastric ulcer	Duodenal ulcer	Gastric cancer
Overall total
No. of patients	254a	225	103	43	49	30
Age range (yr)	14-86	14-86	19-82	34-84	14-72	37-86
Mean age (yr)	51	50	49	55	45	58
No. of females	126	111	68	10	19	14
Age range (yr)	21-86	21-86	21-82	46-84	31-72	37-86
Mean age (yr)	52	52	49	57	51	61
No. of males	128	114	35	33	30	16
Age range (yr)	14-82	14-82	19-78	34-82	14-70	38-70
Mean age (yr)	50	49	47	54	41	55
Strains carrying s1/i1/m1
No. of patients		206	95	41	42	28
Age range (yr)		14-86	19-78	34-84	14-70	37-86
Mean age (yr)		50	48	55	43	58
No. of females		96	61	8	14	13
Age range (yr)		21-86	21-75	46-84	31-61	37-86
Mean age (yr)		51	49	57	48	60
No. of males		110	34	33	28	15
Age range (yr)		14-82	19-78	34-82	14-70	38-70
Mean age (yr)		49	47	54	41	56
Strains carrying s1/i1/m2
No. of patients		11	4	1	4	2
Age range (yr)		38-82	38-82	63	41-57	46-68
Mean age (yr)		54	54	NA	51	56
No. of females		9	4	1	3	1
Age range (yr)		38-82	38-82	63	48-57	68
Mean age (yr)		56	54	NA	54	NA
No. of males		2	0	0	1	1
Age range (yr)		41-44	0	0	41	46
Mean age (yr)		43	0	0	NA	NA
Strains carrying s1/i2/m2
No. of patients		8	4	1	3	0
Age range (yr)		38-72	38-68	56	61-72	0
Mean age (yr)		57	51	NA	65	0
No. of females		6	3	1	2	0
Age range (yr)		38-72	38-68	56	61-72	0
Mean age (yr)		58	53	NA	67	0
No. of males		2	1	0	1	0
Age range (yr)		43-61	43	0	61	0
Mean age (yr)		52	NA	0	NA	0

^aThe total number of samples includes only the 254 that had complete epidemiological data for age and gender.

^bThere was a statistical association between the m allele and gender (P = 0.0233). NA, not applicable.