Fig. 2From: Helicobacter pylori virulence genes of minor ethnic groups in North ThailandHistological score according to genotype of cagA. H. pylori with East-Asian-type cagA (n = 105) had significant higher level of activity in antrum and corpus and intestinal metaplasia in antrum than H. pylori with Western-type cagA genotype (n = 41, P < 0.05, Mann–Whitney U test)Back to article page