Novel CagA ELISA exhibits enhanced sensitivity of Helicobacter pylori CagA antibody

Figure 6 Correlation between CagA antibody ELISA titer and histological score. A: Relationship between East Asian-type CagA ELISA titer and histological monocytes score. Among East Asian-type cagA possessed Helicobacter pylori (H. pylori) infected subjects diagnosed as gastritis (Gastritis group in Figure 1), East Asian-type CagA antibody titers tended to positive correlate with the infiltration of monocytes at antrum in stomach (r = 0.25, P = 0.058); B: Relationship between East Asian-type CagA ELISA titer and histological H. pylori density score. East Asian-type CagA antibody titers were negative correlated with the H. pylori density at an antrum in stomach (r = -0.26, P = 0.043); C: Relationship between Western-type CagA ELISA titer and histological monocytes score. There is no correlation (P = 0.61); D: No correlation was apparent for Western-type CagA ELISA titer and histological H. pylori density (P = 0.68).