Table 3.
Risk Groupa | Population N (%) | Deaths N (%) | Hazard Ratio (95% CI) | P value |
---|---|---|---|---|
Low (0–1 point) | 1453 (28.7) | 42 (2.9) | Reference | |
Intermediate (2 points) | 1984 (39.2) | 80 (4.0) | 1.42 (0.98, 2.07) | 0.064 |
High (3–4 points) | 1461 (28.9) | 93 (6.4) | 2.36 (1.64, 3.40) | <0.001 |
Very High (5 points) | 159 (3.1) | 13 (8.2) | 3.34 (1.79, 6.23) | <0.001 |
Each patient was classified according to how many risk factors they had pretransplant: Age ≥ 55 (1 point), male sex (1 point), diabetes (1 point), renal impairment (2 points), defined as estimated glomerular filtration rate (eGFR) ≤ 60 mL/min/1.73 m2 or need for renal replacement therapy
C-statistic = 0.60 (95% CI 0.59–0.62), after bootstrapping