Anti-H pylori IgG and IgA titers were insignificantly correlated with diabetes duration (r = 0.05, p = 0.85; r = 0.07, p = 0.79 respectively) and HbA1c (r = 0.21, p = 0.35; r = 0.19, p = 0.41 respectively). This evidence concerns the gene CD79A and diabetes mellitus.