Objective To explore the relationship between hepatitis B virus infection and type 2 diabetes mellitus.Methods A total of 588 cases of type 2 diabetes mellitus and 604 controls were detected serological markers of hepatitis B virus with ELISA to compare the positive rate of serum markers of hepatitis B virus.Results The positive rates of hepatitis B surface antigen were 17.35%(102/588) and 12.58%(76/604) in diabetic group and control group,which showed a significant difference between two groups(χ2=5.324,P=...