Analysis carried out to identify children with impaired renal function (albuminuria and/or decreased eGFR <90 mL/min/1.73 m2 and/or hypertension) among studied patients (Table 2B), showed good profile for TWEAK (AUC—0.79) and quite good profile for uRANTES and RANTES/cr. This evidence concerns the gene CCL5 and Hypertension.