ABSTRACT
Hypertension and diabetes mellitus are risk factors of cardiovascular and cerebrovascular diseases. Greater morbidity and mortality from cardiovascular and cerebrovascular diseases was found in hypertensive patient with diabetes mellitus than without diabetes mellitus. The prevalence of hypertension in diabetes mellitus patients was about 10-68% in general. To know the prevalence of hypertension in Thai diabetic patients and risk factors related, a cross-sectional study was done in 408 diabetic patients at the Diabetic Clinic, Siriraj Hospital, between June to September 1986.The prevalence was 29.4% and the risk factors which related significantly, especially in female subjects, were ogre and duration of diabetes. Body mass index, sex and proteinuria were not related to hypertension in diabetes mellitus significantly in this study.