1. Korea Centers for Disease Control and Prevention. The fifth Korea National Health and Nutrition Examination Survey (KNHANES V-1) 2010. Cheongwon: Korea Centers for Disease Control and Prevention; 2012. 2. American Diabetes Association. Standards of medical care in diabetes: 2013. Diabetes Care 2013;36 Suppl 1:S11-66. 3. Kim MH, Kim MK, Choi BY, Shin YJ. Educational disparities in the metabolic syndrome in a rapidly changing society: the case of South Korea. Int J Epidemiol 2005;34:1266-73. 4. Zimmet P, Alberti KG, Shaw J. Global and societal implications of the diabetes epidemic. Nature 2001;414:782-7. 5. Huh HJ, Park HD, Lee SY, Kim JW. Evaluation of CareSens(R) N Glucometer Glucose Monitoring System. J Lab Med Qual Assur 2010;32:229-36. 6. Kwon MJ, Lee SY. Evaluation of GLUCOCARD X-METER Glucose Monitoring System. Korean J Lab Med 2008;28:8-15. 7. Song SH, Park HD, Lee HJ, Chun SH, Park KU, Kim JQ, et al. Evaluation of Gluchec Fine Glucometer. J Lab Med Qual Assur 2007;29:187-94. 8. Lee SY, Lee NY, Kim JW. Evaluation of 6 Glucose Testing Systems. Korean J Lab Med 2003;23:170-9. 9. Yoo EH, Cho HJ, Ki CS, Lee SY. Evaluation of COSMOsensor Glucose Monitoring System. Korean J Lab Med 2006;26:1-8. 10. Clinical and Laboratory Standards Institute. Evaluation of the linearity of quantitative measurement procedures: a statistical approach: approved guideline. Wayne, PA: Clinical and Laboratory Standards Institute; 2003. 11. Clinical and Laboratory Standards Institute. Evaluation of precision performance of quantitative measurement methods: approved guideline. 2nd ed. Wayne, PA: Clinical and Laboratory Standards Institute; 2004. 12. Clinical and Laboratory Standards Institute. Point-of-care blood glucose testing in acute and chronic care facilities: approved guideline. 2nd ed. Wayne, PA: Clinical Laboratory Standards Institute; 2002. 13. Guerci B, Drouin P, Grange V, Bougneres P, Fontaine P, Kerlan V, et al. Self-monitoring of blood glucose significantly improves metabolic control in patients with type 2 diabetes mellitus: the Auto-Surveillance Intervention Active (ASIA) study. Diabetes Metab 2003;29:587-94. 14. Harashima S, Fukushima T, Sasaki M, Nishi Y, Fujimoto S, Ogura M, et al. Self-monitoring of blood glucose (SMBG) improves glycaemic control in oral hypoglycaemic agent (OHA)-treated type 2 diabetes (SMBG-OHA study). Diabetes Metab Res Rev 2013;29:77-84. 15. Khamseh ME, Ansari M, Malek M, Shafiee G, Baradaran H. Effects of a structured self-monitoring of blood glucose method on patient self-management behavior and metabolic outcomes in type 2 diabetes mellitus. J Diabetes Sci Technol 2011;5:388-93. 16. Wehmeier M, Arndt BT, Schumann G, Kulpmann WR. Evaluation and quality assessment of glucose concentration measurement in blood by point-of-care testing devices. Clin Chem Lab Med 2006;44:888-93. 17. Ferri S, Kojima K, Sode K. Review of glucose oxidases and glucose dehydrogenases: a bird's eye view of glucose sensing enzymes. J Diabetes Sci Technol 2011;5:1068-76. 18. Kost GJ, Nguyen TH, Tang Z. Whole-blood glucose and lactate: trilayer biosensors, drug interference, metabolism, and practice guidelines. Arch Pathol Lab Med 2000;124:1128-34. 19. Ybarra J, Isern J. Leukocytosis-induced artifactual hypoglycemia. Endocr J 2003;50:481-2. 20. International Organization for Standardization. ISO report no. 15197. Geneva: International Organization for Standardization; 2003. 21. D Orazio P, Burnett RW, Fogh-Andersen N, Jacobs E, Kuwa K, Kulpmann WR, et al. Approved IFCC recommendation on reporting results for blood glucose: International Federation of Clinical Chemistry and Laboratory Medicine Scientific Division, Working Group on Selective Electrodes and Point-of-Care Testing (IFCC-SD-WG-SEPOCT). Clin Chem Lab Med 2006;44:1486-90. 22. Johnson RN, Baker JR. Error detection and measurement in glucose monitors. Clin Chim Acta 2001;307:61-7.