Diabetes Metab J > Volume 32(4); 2008 > Article
Korean Diabetes Journal 2008;32(4):358-365.
DOI: https://doi.org/10.4093/kdj.2008.32.4.358    Published online August 1, 2008.
Clinical Characteristics and Direct Medical Costs of Type 2 Diabetic Patients.
Eun Joon Moon, Young Eun Jo, Tae Chin Park, Yun Kyung Kim, Sun Hye Jung, Hae Jin Kim, Dae Jung Kim, Yoon Sok Chung, Kwan Woo Lee
1Department of Endocrinology and Metabolism, Ajou University School of Medicine, Korea.
2Department of Internal Medicine1, CHA Bio Medical Center, College of Medicine, Pochon CHA University, Korea.
Abstract
BACKGROUND
Type 2 diabetes mellitus is an expensive chronic metabolic disorder and its prevalence has been increasing rapidly in South Korea, owing to a westernized lifestyle. We analyzed the annual direct medical costs attributable to type 2 diabetes and its chronic complications in Korea retrospectively. METHODS: We randomly selected 1,051 patients with type 2 diabetes who visited Ajou University Hospital as an outpatient in 2005. Clinical characteristics, duration of diabetes, and microvascular and macrovascular complications were assessed from a medical chart review. The annual direct medical costs included insurance covered and uncovered medical costs. RESULTS: Of the 1,051 patients with type 2 diabetes, 48.2% had at least one microvascular complication, 5.6% had at least one macrovascular complication, and 12.4% of the patients had both microvascular and macrovascular complications. The average annual direct medical cost was found to be 3,348,488won per patient. In patients with microvascular complications, the total cost of management was increased 1.4 times compared to those without complications. Direct medical costs for patients with macrovascular complications were 2.1-fold as high as patients with no complications. Those patients with both microvascular and macrovascular complications, increased costs by 3.1-fold over those without complications. CONCLUSION: Chronic complications have a substantial impact on the direct medical costs of type 2 diabetes. The prevention of chronic diabetic complications will not only influence the mortality and morbidity of patients with type 2 diabetes, but also potentially reduce medical costs.
Key Words: Direct medical cost, Macrovascular complication, Microvascular complication, Type 2 diabetes


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