Table 2.
Operative characteristics among all kidney transplant recipients, stratified by achievement of a textbook outcome (TO).
| Characteristica | Achieved TO N = 245 (44%) |
Failed TO N = 312 (56%) |
P-value |
|---|---|---|---|
| Cold ischemic time (minutes) | |||
| All kidneys | 868 (109–1320) | 1032 (531–1460) | <0.01 |
| Non-pumped kidneys only | 107 (66–272) | 133 (81–692) | 0.03 |
| Warm ischemic time (minutes) | 28 (23–32) | 29 (24–33) | 0.03 |
| Missing | 0 (0%) | 1 (0.3%) | |
| Total ischemic time (minutes) | 915 (136–1348) | 1058 (540–1492) | <0.01 |
| Missing | 0 (0%) | 1 (0.3%) | |
| Estimated blood loss (mL) | 100 (100–200) | 150 (100–200) | <0.01 |
| Missing | 1 (0.4%) | 3 (1.0%) | |
| Transfusion requirement (units) | |||
| Packed red blood cells | 0 (0–0) | 0 (0–0) | 0.2 |
| Missing | 0 (0%) | 1 (0.3%) | |
| Fresh frozen plasma | 0 (0–0) | 0 (0–0) | 0.2 |
| Missing | 0 (0%) | 0 (0%) | |
| Machine perfusion used | 127 (52%) | 199 (64) | <0.01 |
| Donor type | |||
| Living donor | 89 (36%) | 74 (24%) | <0.01 |
| Donation after brain death donor | 121 (50%) | 166 (53%) | 0.4 |
| Donation after circulatory death donor | 35 (14%) | 72 (23%) | <0.01 |
| US Public Health Service increased risk for disease transmission donorb | 63 (26%) | 70 (22%) | 0.02 |
| Extended criteria donorb | 19 (8%) | 36 (12%) | 0.4 |
| Donor serologies | |||
| Epstein-Barr virus positive | 235 (96%) | 297 (95%) | 0.9 |
| Missing | 0 (0%) | 2 (0.6%) | |
| Cytomegalovirus positive | 141 (58%) | 185 (59%) | 0.7 |
| Kidney Donor Profile Index (%)b | 48 (26–66) | 56 (34–71) | 0.048 |
| Human leukocyte antigen mismatch | 4 (3–5) | 4 (3–5) | <0.01 |
| Missing | 1 (0.4%) | 0 (0%) | |
| Graft laterality | 0.056 | ||
| Right | 83 (34%) | 134 (43%) | |
| Left | 160 (65%) | 173 (55%) | |
| Dual | 2 (0.8%) | 5 (2%) | |
| Ureteral stent used | 147 (60%) | 224 (72%) | <0.01 |
| Drain placed in the operating room | 46 (19%) | 84 (27%) | 0.02 |
a
Presented as median (interquartile range) for continuous variables and frequency (proportion) for categorical variables.
b
Recorded for deceased donors only.