Table 1.
Demographic and Clinical Characteristics of Kidney Transplant Recipients and Donors, by Recipient Physical Function Quartile
| RECIPIENT CHARACTERISTICS | Highest Physical Function (n=2,843) | Near-highest Physical Function (n=2,543) | Near-lowest Physical Function (n=2,957) | Lowest Physical Function (n=2,532) | p-value |
| MEAN AGE (standard deviation) | 47 (13) | 51 (13) | 52 (13) | 55 (12) | <0.001 |
| <35 years (%) | 300 (11) | 170 (7) | 183 (6) | 92 (4) | <0.001 |
| ≥35 & <45 years (%) | 957 (34) | 665 (26) | 714 (24) | 460 (18) | |
| ≥45 & <55 years (%) | 736 (26) | 681 (27) | 832 (28) | 686 (27) | |
| ≥55 & <65 years (%) | 558 (20) | 687 (27) | 818 (28) | 853 (34) | |
| ≥65 years (%) | 292 (10) | 340 (13) | 410 (14) | 441 (17) | |
| MALE (%) | 1,970 (69%) | 1,645 (65) | 1,746 (59) | 1,442 (57) | <0.001 |
| RACE (%) | 0.001 | ||||
| White | 1,200 (42) | 1,100 (43) | 1,202 (41) | 1,183 (47) | |
| Black | 1,006 (35) | 865 (34) | 1,033 (35) | 769 (30) | |
| Hispanic | 488 (17) | 412 (16) | 524 (18) | 448 (18) | |
| Asian | 98 (3) | 113 (4) | 135 (4) | 91 (4) | |
| Other | 51 (2) | 53 (2) | 63 (2) | 41 (2) | |
| CAUSE OF ESRD (%) | <0.001 | ||||
| Diabetes | 588 (21) | 626 (25) | 887 (30) | 964 (38) | |
| Hypertension | 778 (27) | 622 (24) | 735 (25) | 571 (23) | |
| Glomerulonephritis | 637 (22) | 542 (21) | 519 (18) | 352 (14) | |
| Polycystic Kidney Disease | 210 (7) | 177 (7) | 195 (7) | 138 (5) | |
| Congenital/Reflux | 56 (20) | 40 (2) | 35 (1) | 31 (1) | |
| Other | 574 (20) | 536 (21) | 586 (20) | 476 (19) | |
| DIABETES (%) | 742 (26) | 827 (33) | 1,125 (38) | 1,229 (49) | <0.001 |
| HEPATITIS C SEROPOSITIVE (%) | 151 (5.3) | 143 (5.6) | 150 (5.1) | 158 (6.3) | 0.20 |
| PEAK PANEL REACTIVE ANTIBODY >80 (%) | 214 (7.5) | 233 (9.2) | 245 (8.3) | 213 (8.4) | 0.22 |
| YEARS ON DIALYSIS (%) | 0.24 | ||||
| ≥1 & <5 | 1,171 (41) | 983 (39) | 1,155 (39) | 970 (38) | |
| ≥3 & <5 | 831 (29) | 768 (30) | 900 (30) | 811 (32) | |
| ≥5 | 813 (29) | 758 (30) | 877 (30) | 725 (29) | |
| CYTOMEGALOVIRUS SEROPOSITIVE | 1,708 (60) | 1,610 (63) | 1,890 (64) | 1,686 (67) | <0.001 |
| PRIOR ORGAN TRANSPLANT | 304 (11) | 278 (11) | 303 (10) | 254 (10) | 0.70 |
| DONOR CHARACTERISTICS | Highest Physical Function (n=2,843) | Near-highest Physical Function (n=2,543) | Near-lowest Physical Function (n=2,957) | Lowest Physical Function (n=2,532) | p-value |
| MEAN AGE (standard deviation) | 37 (16) | 38 (16) | 37 (16) | 38 (16) | 0.01 |
| <40 years (%) | 1,491 (52) | 1,260 (50) | 1,520 (51) | 1,252 (49) | <0.001 |
| ≥40 & <50 years (%) | 650 (23) | 590 (23) | 662 (22) | 543 (21) | |
| ≥50 & <60 years (%) | 535 (19) | 483 (19) | 551 (19) | 484 (19) | |
| ≥60 years (%) | 167 (6) | 210 (8) | 224 (8) | 253 (10) | |
| MALE | 1,588 (56) | 1,427 (56) | 1,670 (56) | 1,483 (59) | 0.18 |
| BLACK (vs. NON-BLACK) | 430 (15) | 396 (16) | 469 (16) | 404 (16) | 0.83 |
| DONOR TYPE* | <0.001 | ||||
| Live donor | 510 (18) | 420 (17) | 501 (17) | 410 (16) | |
| Deceased, non-ECD | 2,032 (71) | 1,729 (68) | 2,050 (69) | 1,721 (68) | |
| ECD deceased donor | 301 (11) | 394 (15) | 406 (14) | 401 (16) | |
| CYTOMEGALOVIRUS SEROPOSITIVE | 1,476 (52) | 1,352 (53) | 1,547 (52) | 1,335 (53) | 0.82 |
*
Abbreviations: ECD – Extended criteria donor