Table 1. Baseline Characteristics of Living Donor Kidney Transplant Donors and Recipients Included in the Analysisa.
| Characteristic | All (N = 72 980) | Not related (n = 29 806) | Related (n = 43 174) | P value |
|---|---|---|---|---|
| Donor characteristics | ||||
| Age, median (IQR), y | 41 (32-50) | 44 (35-52) | 39 (31-48) | <.001 |
| Female sex | 43 990 (60) | 19 142 (64) | 24 848 (58) | <.001 |
| Race | ||||
| White | 50 014 (69) | 23 081 (77) | 26 933 (62) | <.001 |
| Black/African American | 9499 (13) | 2541 (9) | 6958 (16) | |
| Hispanic/Latino | 9836 (13) | 2967 (10) | 6869 (16) | |
| Predonation serum creatinine, median (IQR), mg/dL | 0.8 (0.7-1.0) | 0.8 (0.7-1.0) | 0.9 (0.7-1.0) | <.001 |
| Recipient characteristics | ||||
| Age, median (IQR), y | 49 (37-58) | 50 (40-58) | 48 (34-58) | <.001 |
| Female sex | 28 565 (39) | 10 530 (35) | 18 035 (42) | <.001 |
| Race | ||||
| White | 48 032 (66) | 21 111 (71) | 26 921 (62) | <.001 |
| Black/African American | 10 764 (15) | 3731 (13) | 7033 (16) | |
| Hispanic/Latino | 9931 (14) | 3172 (11) | 6759 (16) | |
| Cause of kidney disease | ||||
| Diabetes | 13 146 (18) | 5766 (19) | 7380 (17) | <.001 |
| Hypertension | 10 108 (14) | 3995 (13) | 6113 (14) | |
| Glomerular disease | 16 266 (22) | 6557 (22) | 9709 (22) | |
| Cystic kidney disease | 7130 (10) | 4600 (15) | 2530 (6) | |
| Other or unknown | 26 330 (36) | 8888 (30) | 17 442 (40) | |
| Panel reactive antibody ≥80% | 1520 (2) | 601 (2) | 919 (2) | .30 |
| Diabetes | 20 925 (29) | 8660 (29) | 12 265 (28) | .06 |
| Peripheral vascular disease | 2929 (4) | 1230 (4) | 1699 (4) | .20 |
| Functional impairment | 39 156 (54) | 16 990 (57) | 22 166 (51) | <.001 |
| Pretransplant dialysis | ||||
| Preemptive (no dialysis) | 22 572 (31) | 9639 (32) | 12 933 (30) | <.001 |
| <1 y | 8433 (12) | 3221 (11) | 5212 (12) | |
| ≥1 y | 20 389 (28) | 8750 (29) | 11 639 (27) | |
| Not preemptive but time not known | 21 586 (30) | 8196 (28) | 13 390 (31) | |
| Employment status | ||||
| Employed | 23 078 (32) | 11 138 (37) | 11 940 (28) | <.001 |
| Not employed | 25 261 (35) | 10 406 (35) | 14 855 (34) | |
| Unknown or missing | 24 641 (34) | 8262 (28) | 16 379 (38) | |
| Insurance | ||||
| Private | 42 967 (59) | 18 565 (63) | 24 311 (56) | <.001 |
| Medicare | 19 373 (27) | 7984 (27) | 11 389 (26) | |
| Medicaid | 2787 (4) | 780 (3) | 2007 (5) | |
| Other | 7853 (11) | 2386 (8) | 5467 (13) | |
| Other characteristics | ||||
| ABO-incompatible transplant | 883 (1) | 452 (2) | 431 (1) | <.001 |
| Transplant era | ||||
| 2000-2004 | 23 655 (32) | 7577 (25) | 16 078 (37) | <.001 |
| 2005-2009 | 25 460 (35) | 10 342 (35) | 15 118 (35) | |
| 2010-2014 | 23 865 (33) | 11 887 (40) | 11 978 (28) | |
Abbreviation: IQR, interquartile range.
a
Data are presented as number (percentage) of patients unless otherwise indicated.