The area under the curve (AUC) values for FABP4, CDR2L, and FSTL3 in T2DM were 0.73, 0.70, and 0.66, respectively, while in CRC, the AUC values were 0.85, 0.93, and 0.76, respectively (Fig. 3B,C).Survival curves illustrated the prognosis of patients. This evidence concerns the gene FABP4 and type 2 diabetes mellitus.