1. King H, Rewers M. Global estimates for prevalence of diabetes mellitus and impaired glucose tolerance in adults. Diabetes Care. 1993. 16:157–177.

2. Lee CH, Chang WJ, Chung HH, Kim HJ, Park SH, Moon JS, Lee JE, Yoon JS, Chun KA, Won KC, Cho IH, Lee HW. The combination of fasting plasma glucose and glycosylated hemoglobin as a predictor for type 2 diabetes in Korean adults. Korean Diabetes J. 2009. 33:306–314.

3. Masaki T, Kiyoyuki K, Atsuhito T, Yoshio O, Toshiyuki S, Shoji K. Usefulness of paired estimation of fasting plasma glucose and HbA1c: a long-term follow-up study of screened nondiabetic subjects. J Jpn Diab Soc. 2001. 44:745–750.

4. Ko GT, Chan JC, Yeung VT, Chow CC, Tsang LW, Li JK, So WY, Wai HP, Cockram CS. Combined use of a fasting plasma glucose concentration and HbA1c or fructosamine predicts the likelihood of having diabetes in high-risk subjects. Diabetes Care. 1998. 21:1221–1225.

5. Inoue M, Matsumoto M, Kobayashi Y. The combination of fasting plasma glucose and glycosylated hemoglobin predicts type 2 diabetes in Japanese workers. Diabetes Res Clin Pract. 2007. 77:451–458.

6. Sato KK, Hayashi T, Harita N, Yoneda T, Nakamura Y, Endo G, Kambe H. Combined measurement of fasting plasma glucose and A1c is effective for the prediction of type 2 diabetes. Diabetes Care. 2009. 32:644–646.

7. American Diabetes Association. International expert committee report on the role of the A1c assay in the diagnosis of diabetes. Diabetes Care. 2009. 32:1327–1334.