Table 1.
Basic characteristics of KTRs with >20 years of kidney allograft survival
| Number (%) | All >20 years KTRs, n = 293 | KTRs with cancer, n = 74 | KTRs without cancer, n = 219 | P-value |
|---|---|---|---|---|
| Recipient age at transplantation (years)a | 39 (17–68) | 41 (17–62) | 37 (17–68) | 0.203 |
| Recipient male sex, n (%) | 183 (62) | 46 (62) | 137 (63) | 1 |
| Donor age (years)a | 32 (3–73) | 31 (5–72) | 33 (3–68) | 0.702 |
| Donor male sex, n (%) | 186 (66) | 50 (70) | 136 (62) | 0.748 |
| Number of kidney transplantations, n (%) | ||||
| 1 | 265 (90) | 71 (96) | 194 (89) | 0.069 |
| ≥2 | 28 (10) | 3 (4) | 25 (11) | |
| Causes of ESRD, n (%) | ||||
| Glomerulonephritis | 107 (37) | 33 (45) | 74 (34) | 0.307 |
| Diabetic nephropathy | 6 (2) | 1 (1) | 5 (2) | 1 |
| Vasculitis | 10 (3) | 0 (0) | 10 (5) | 0.126 |
| Polycystic kidney disease | 35 (12) | 11 (15) | 24 (11) | 0.420 |
| Uropathy/CAKUT | 53 (18) | 12 (16) | 41 (19) | 0.734 |
| Analgesic nephropathy | 13 (4) | 2 (3) | 11 (5) | 0.530 |
| Hypertensive nephropathy | 4 (1) | 0 (0) | 4 (2) | 0.575 |
| Other | 29 (10) | 7 (9) | 22 (10) | 1 |
| undetermined | 36 (12) | 8 (11) | 28 (13) | 0.839 |
| Time on dialysis (months)a | 26 (0–168) | 30 (0–168) | 24 (0–104) | 0.036a |
| Pretransplant cancer, n (%) | 4 (1) | 0 (0) | 4 (1) | 0.575 |
aMedian (range). CAKUT, congenital anomalies of kidney and urinary tract.