TABLE 2.
Recipient characteristics at LT according to donor kidney allograft preservation technique (N = 6,610).
| Cold storage | Machine perfusion | p-value | |
|---|---|---|---|
| N = 5,474 | N = 1,136 | ||
| Sex, N (%) | 0.324 | ||
| Male | 3,482 (63.6) | 705 (62.1) | |
| Female | 1,992 (36.4) | 431 (37.9) | |
| Age (years), median (IQR) | 58 (51–63) | 58 (52–64) | 0.222 |
| Race/ethnicity | 0.072 | ||
| White | 3,386 (61.9) | 724 (63.7) | |
| Black | 807 (14.7) | 158 (13.9) | |
| Hispanic | 992 (18.1) | 196 (17.3) | |
| Asian | 211 (3.9) | 32 (2.8) | |
| Other | 78 (1.4) | 26 (2.3) | |
| Native MELD at SLK, median (IQR) | 28 (23–35) | 28 (23–35) | 0.457 |
| Ascites, N (%) | <0.001 | ||
| None | 885 (16.2) | 230 (20.3) | |
| Mild | 2,182 (40.1) | 385 (34.0) | |
| Moderate-severe | 2,381 (43.7) | 519 (45.8) | |
| Encephalopathy, N (%) | 0.018 | ||
| None | 1,697 (31.2) | 401 (35.4) | |
| Grade 1–2 | 2,991 (54.9) | 577 (50.9) | |
| Grade 3–4 | 760 (14.0) | 156 (13.8) | |
| Preop location, N (%) | 0.514 | ||
| Home | 3,142 (57.5) | 674 (59.4) | |
| Inpatient ward | 1,311 (24.0) | 262 (23.1) | |
| ICU | 1,008 (18.5) | 199 (17.5) | |
| Diabetes, N (%) | 2,356 (43.3) | 488 (43.2) | 0.905 |
| Kidney disease severity, N (%) | |||
| eGFR ≥30 ml/min/1.73 m 2, a | 677 (12.7) | 157 (14.1) | 0.458 |
| eGFR <30 ml/min/1.73 m 2, a | 1,445 (27.1) | 295 (26.4) | |
| On dialysis | 3,213 (60.2) | 665 (59.5) | |
| Dialysis time b (months), median (IQR) | 3.7 (0.9–14.9) | 6.1 (1.5–21.5) | <0.001 |
| Etiology of kidney disease, N (%) | <0.001 | ||
| Hepatorenal syndrome | 1,655 (30.2) | 465 (40.9) | |
| Diabetes | 1,134 (20.7) | 225 (19.8) | |
| Glomerular disease | 426 (7.8) | 78 (6.9) | |
| Polycystic kidney disease | 278 (5.1) | 88 (7.8) | |
| Hypertension | 476 (8.7) | 74 (6.5) | |
| Other | 1,505 (27.5) | 206 (18.1) | |
| KT implantation ≥1 day after LT, N (%) | 760 (13.9) | 396 (34.9) | <0.001 |
a
Not on dialysis pre-LT.
b
Among patients receiving dialysis prior to SLK (N = 4,590).