Diabetes Mellitus (DM) is a chronic metabolic disease of which the number of patients is increasing in all over the world. In diabetes, there is an increase on Blood Sugar Level (BSL) that can result in complications. The complications can occur in some organs, such as, heart, blood vessels, eyes, kidney, and nerves. Stroke is one of the complications resulted from diabetes that hit the blood vessels in brain. Based on the data from many hospitals in Indonesia, the prevalence of stroke is increasing in every year. The purpose of the study is to analyze the relationship between diabetes and the occurrence of stroke among neurology patients at Haji Adam Malik Hospital Medan and to find out the magnitude of the risk factor of diabetes for the occurrence of stroke. This study is an analytical study with a cross sectional approach. The population of this study was all of neurology patients in the Integrated Inpatient ward (Rindu A4) at Haji Adam Malik Hospital Medan. The subjects were 180 people chosen by consecutive sampling technique. The results showed that there is a relationship between diabetes and the occurrence of stroke (p<0,05; CI = 95%). The risk of the diabetes patients is 1,34 times higher than those without diabetes at Haji Adam Malik Hospital Medan. Based on the results, it can be concluded that diabetes is closely related to the occurrence of stroke. A diabetic patient has a higher risk to the occurrence of stroke. A good control to the diabetic patients will prevent the occurrence of stroke.

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