Finally, this study identified absolute CD19 + CD25+ Breg counts and serum TGF-ß1 levels above a cut-off of 0.12/μl and 19,635.4 pg/ml, respectively, to be the best at identifying CKD stages 1–3 T (GFR ≥ 30 ml/min). This evidence concerns the gene CD19 and chronic kidney disease.