In addition, CV biomarkers, including levels of hs-cTnT, NT-proBNP, and serum uric acid, in CKD stages G2 and G3–5 based on both the GFRcys and GFRcr were higher compared to those in CKD stage G1 (All P < 0.01, Table 2). This evidence concerns the gene TNNT2 and chronic kidney disease.