1. King H, Aubert RE, Herman WH. Global burden of diabetes, 1995-2025: prevalence, numerical estimates, and projections. Diabetes Care. 1998. 21:1414–1431.
2. Gregg EW, Cadwell BL, Cheng YJ, Cowie CC, Williams DE, Geiss L, Engelgau MM, Vinicor F. Trends in the prevalence and ratio of diagnosed to undiagnosed diabetes according to obesity levels in the US. Diabetes Care. 2004. 27:2806–2812.
3. Choi YJ, Kim HC, Kim HM, Park SW, Kim J, Kim DJ. Prevalence and management of diabetes in Korean adults: Korean National Health and Nutrition Examination Surveys 1998-2005. Diabetes Care. 2009. 32:2016–2020.
4. Kim DJ. The epidemiology of diabetes in Korea. Diabetes Metab J. 2011. 35:303–308.
5. Clarke PM, Hayes AJ, Glaszou PG, Scott R, Simes J, Keech AC. Using the EQ-5D index score as a predictor of outcomes in patients with type 2 diabetes. Med Care. 2009. 47:61–68.
6. Sakamaki H, Ikeda S, Ikegami N, Uchigata Y, Iwamoto Y, Origasa H, Otani T, Otani Y. Measurement of HRQL using EQ-5D in patients with type 2 diabetes mellitus in Japan. Value Health. 2006. 9:47–53.
7. Sakthong P, Charoenvisuthiwongs R, Shabunthom R. A comparison of EQ-5D index scores using the UK, US, and Japan preference weights in a Thai sample with type 2 diabetes. Health Qual Life Outcomes. 2008. 6:71.
8. Jo MW, Yun SC, Lee SI. Estimating quality weights for EQ-5D health states with time trade-off method in South Korea. Value Health. 2008. 11:1186–1189.
9. Redekop WK, Koopmanschap MA, Stolk RP, Rutten GE, Wolffenbuttel BH, Niessen LW. Health-related quality of life and treatment satisfaction in Dutch patients with type 2 diabetes. Diabetes Care. 2002. 25:458–463.
10. Lee AJ, Morgan CL, Morrissey M, Wittrup-Jensen KU, Kennedy-Martin T, Currie CJ. Evaluation of the association between the EQ-5D (health-related utility) and body mass index (obesity) in hospital-treated people with type 1 diabetes, type 2 diabetes and with no diagnosed diabetes. Diabet Med. 2005. 22:1482–1486.
11. Coffey JT, Brandle M, Zhou H, Marriott D, Burke R, Tabaei BP, Engelgau MM, Kaplan RM, Herman WH. Valuing health-related quality of life in diabetes. Diabetes Care. 2002. 25:2238–2243.
12. Lee YK, Nam HS, Chuang LH, Kim KY, Yang HK, Kwon IS, Kind P, Kweon SS, Kim YT. South Korean time trade-off values for EQ-5D health states: modeling with observed values for 101 health state. Value Health. 2009. 12:1187–1193.
13. Kang EJ, Shin HS, Park HJ, Jo MW, Kim NY. A valuation of health status using EQ-5D. Korea J Health Econ Policy. 2006. 12:19–43.
14. Dolan P. Modeling valuation for EuroQol health states. Med Care. 1997. 35:1095–1108.
15. Diabetes in Korea. 2007. Seoul: Korean Diabetes Association and Health Insurance Review and Assessment Service.