The urine scores were aggregated for different outcomes. HC, healthy control, 10.80 (7.90 – 12.20); CKD1, CKD Stage 1, 24.27 (23.10 – 25.12); CKD2, CKD Stage 2, 34.24 (32.17 – 37.12); STA, Stable, 12.19 (9.75 – 14.39); bAR, borderline AR, 38.47 (34.71 – 40.80); AR, Acute Rejection, 58.76 (54.95 – 63.40). Data are given as median and 95% CI.