Patients’ survival and time to dialysis. (A) Patients’ survival. Median survival was 47 months in the Pavia cohort and 54 months in the Heidelberg cohort (P = .230). (B) Renal survival (P < .001). (C) Survival from dialysis initiation. Median survival was 39 months in the Pavia cohort and 24 months in the Heidelberg cohort (P = .102).