Incidence of Type 2 Diabetes Mellitus among Emirati Residents in Ajman, United Arab Emirates

BACKGROUND Diabetes mellitus (DM), particularly type-2 is a major public health concern worldwide. Not much information is available with regard to the incidence of DM in United Arab Emirates (UAE). This study aimed at determining the incidence rate of diabetes mellitus among Emirati population in Ajman, UAE. This is a retrospective cohort study. METHODS This study was conducted in all primary health care centers and Shaikh Khalifa and GMC Hospitals, Ajman, UAE where the Emirati population primarily go for diagnosis and treatment. The incident cases of diabetes mellitus were collected during the period 2010 January to December. RESULTS A total of 158 cases newly detected in 2010, 54 were among non-Emiratis and one was type-1 diabetes. Eliminating these, the remaining 101 were included in the analysis. The age of the patients ranged from 23 years to 78 years; 35 (34.7%) males and 66 (65.3%) were females. The overall incidence observed was 4.8/1,000 person-years (PY) with a female predominance of 6.3/1,000 PY against incidence among males of 3.3/1,000 PY. With regard to age specific incidence rate among males, it increases with age till 60 years and then showed a decreasing trend. Among females also the same trend was observed but not as similar to males. CONCLUSION The highest incidence rate was observed in the 55-59 age group among males, 23.4/1,000 PY and females, 32.4/1,000 PY. Among males the incidence rate was much less compared to females in-the age groups older than 59 years.