Table 1.
Characteristics of the study sample
| Characteristic | Kidney Transplant Recipients, n (%) | |
|---|---|---|
| PKD (n=10,166) | No PKD (n=107,339) | |
| Men | 5656 (55.6) | 64,327 (59.9) |
| Age at transplantation | ||
| 0–17 yr | 265 (2.6) | 6621 (6.2) |
| 18−34 yr | 435 (4.3) | 23,758 (22.1) |
| 35−49 yr | 3672 (36.1) | 34,707 (32.3) |
| 50−64 yr | 4896 (48.2) | 32,515 (30.3) |
| ≥ 65 yr | 898 (8.8) | 9738 (9.1) |
| Race/ethnicity | ||
| Non-Hispanic white | 7953 (78.2) | 55,461 (51.7) |
| Non-Hispanic black | 846 (8.3) | 24,965 (23.3) |
| Hispanic | 1049 (10.3) | 19,381 (18.1) |
| Asian/Pacific Islander | 318 (3.1) | 7532 (7.0) |
| Donor type | ||
| Deceased | 6685 (65.8) | 68,743 (64.0) |
| Living | 3481 (34.2) | 38,596 (36.0) |
| Kidney transplant number | ||
| First | 9541 (93.9) | 97,237 (90.6) |
| Second | 588 (5.8) | 9342 (8.7) |
| Third or higher | 37 (0.4) | 760 (0.7) |
| Calendar year of transplant | ||
| 1987–1994 | 1812 (17.8) | 20,541 (19.1) |
| 1995–1999 | 2549 (25.1) | 27,465 (25.6) |
| 2000–2004 | 3341 (32.9) | 34,218 (31.9) |
| 2005–2009 | 2464 (24.2) | 25,115 (23.4) |
| Initial dialysis duration | ||
| 0−5 mo | 3043 (29.9) | 20,113 (18.7) |
| 6−11 mo | 2918 (28.7) | 33,587 (31.3) |
| 12−23 mo | 2047 (20.1) | 24,903 (23.2) |
| ≥24 mo | 1453 (14.3) | 21,863 (20.4) |
| Unknown | 705 (6.9) | 6873 (6.4) |
| Maintenance therapy with CNI | ||
| Cyclosporine | 4643 (45.7) | 49,110 (45.8) |
| Tacrolimus | 4417 (43.5) | 46,178 (43.0) |
| Both | 37 (0.4) | 500 (0.5) |
| Neither | 1069 (10.5) | 11,551 (10.8) |
CNI, calcineurin inhibitor.