TABLE 4.
Multivariable Cox regression results for time to graft loss, US cohort (N = 60,919).
| Characteristic | HR | 95% CI | p-value |
|---|---|---|---|
| Delayed graft function | 1.63 | 1.48, 1.80 | <0.001 |
| Cold ischemia time (per hour) | 1.00 | 1.00, 1.00 | 0.228 |
| Kidney donor profile index (per one point) | Not applicable a | < 0.001 b | |
| Recipient diabetes | 1.29 | 1.24, 1.35 | <0.001 |
| Recipient age (per year) | Not applicable a | <0.001 b | |
| Recipient sex (male) | 1.10 | 1.05, 1.14 | <0.001 |
| Machine perfusion | 1.08 | 1.04, 1.12 | <0.001 |
| Previous kidney transplant | 1.14 | 1.08, 1.21 | <0.001 |
HR, hazard ratio; CI, confidence interval.
a
Not applicable due to non-linearity.
b
p-value for non-linearity.