ACE and diabetes mellitus: When the frequency of DM and mean FBG levels was compared by ACE gene polymorphism in the NAFLD and control groups, the FBG was found to be 78.1 ± 19.74 mg/dL in the D/D subgroup and 97.55 ± 47.46 mg/dL in the I/D subgroup; a significant difference was found between the two groups (p = 0.26).