Prevalence and Correlation with Clinical Diseases of Helicobacter pylori cagA and vacA Genotype among Gastric Patients from Northeast China

Table 2

Distribution of cagA and vacA genotypes with diseases outcomes.

Description	Total 𝑛=169		Normal 𝑛=9		Chronic gastritis 𝑛=51		Gastric ulcer 𝑛=36		Gastric cancer 𝑛=73
	𝑁	%	𝑁	%	𝑁	%	𝑁	%	𝑁	%
H. pylori positive	141	84	6	54	37	72	30	84	68	93
cagA positive	86	61	1	11	21	41	18	50	46	63
(i) Western type cagA	27	19	1	11	2	4	11	31	13	18
(ii) East-Asian type cagA	59	42	0	0	21	41	7	20	31	43
vacAs1am1	51	36	0	0	9	18	13	36	29	40
vacAs1am2	24	17	1	11	17	33	2	6	4	6
vacAs1bm1	7	5	0	11	1	2	5	14	1	1
vacAs1bm2	7	5	0	0	2	4	3	8	2	3
vacAs1cm1	2	2	0	0	1	2	1	3	0	0
vacAs2m1	12	6	3	33	9	18	0	0	0	0