AZGP1 and kidney disorder: We found no correlation between AZGP1 serum levels and underlying renal disease (P = 0.654), preemptive vs. non-preemptive transplantation (P = 0.804), dialysis modality comparing peritoneal vs. hemodialysis (P = 0.967) and residual renal function while on dialysis (P = 0.264).