Fig 1.
Flow diagram of the recruitment of Chinese subjects.
Table 1.
General and clinical characteristics of Chinese subjects.
Table 2.
Number of subjects according to the categorization of glycemic status using FPG and 2h-PG based on the 1999 WHO diagnostic criteria.
Table 3.
Age-adjusted partial correlations between sAGEP and FPG, 2h-PG, and HbA1c.
Fig 2.
The ROC curves generated by the logistic regression models on FPG, HbA1c, sAGEP, FPG-HbA1c and FPG-sAGEP.
ROC, receiver operating characteristic; FPG, fasting plasma glucose; HbA1c, glycated haemoglobin A1c; sAGEP, serum advanced glycation end products-peptides; FPG-HbA1c, FPG plus HbA1c; FPG-sAGEP, FPG plus sAGEP. The areas under the ROC curves for FPG, HbA1c, sAGEP, FPG-HbA1c and FPG-sAGEP were 0.772, 0.838, 0.894, 0.845, and 0.899, respectively. Comparisons among these areas were as follows: FPG-sAGEP vs. FPG-HbA1c (P = 0.0003), FPG-sAGEP vs. sAGEP (P = 0.58), FPG-sAGEP vs. HbA1c (P <0.001), FPG-sAGEP vs. FPG (P <0.001), FPG-HbA1c vs. FPG (P <0.001), sAGEP vs. HbA1c (P = 0.006), sAGEP vs. FPG (P <0.001).