ABCG1 and type 2 diabetes mellitus: Compared with the full model plus fasting glucose, the addition of ABCG1 expression improved the discrimination and reclassification indexes for prediabetes/T2D, including the C statistic (from 0.763 to 0.784), likelihood ratio test (P = 0.0001), and NRI (0.39; 95% CI, 0.18–0.63; Figure 3B).