CXCL12 and diabetic kidney disease: Instead, specific genotypes of another SNP of SDF-1 gene, rs266085, were associated with advanced DKD (the pre-ESRD) (TC vs TT, AOR, 2.106; 95% CI, 1.090-4.069, p=0.027; TC+CC vs TT, AOR, 2.130; 95% CI, 1.130-4.014, p=0.019) in additive model and dominant model (Table 5).