The time elapsed since diagnosis of DM2 ranged between 1 and 45 years, with a mean of 15.95 ± 9.48 years. Patients who used insulin presented a time of evolution of diabetes of 18.37±9.01 years while those who did not use insulin presented a time of evolution of 13.53±9.4 years (T-test, p = 0.007). No statistical significance was found when genders were compared.