Comparing 1 year and follow-up outcomes after kidney transplantation for black patients in England versus New York State between 2003 and 2014
| Variable | England, n (%) | New York State, n (%) | p Value |
| 1-Year follow-up | |||
| Emergency readmission | 782 (64.36) | 892 (33.53) | <0.001 |
| Cardiac event | 16 (1.32) | 79 (2.97) | 0.002 |
| Stroke | 12 (0.99) | 23 (0.86) | <0.001 |
| Cancer | 17 (1.40) | 26 (0.98) | 0.245 |
| Fracture | 5 (0.41) | 18 (0.68) | 0.319 |
| Transplant rejection/failure | 226 (18.6) | 702 (26.4) | <0.001 |
| Any time post-transplant | |||
| Number of emergency readmissions (mean) | 4.33 | 3.99 | 0.0697 |
| Cardiac event | 72 (5.93) | 336 (12.63) | <0.001 |
| Stroke | 47 (3.87) | 125 (4.70) | 0.224 |
| Cancer | 71 (5.84) | 171 (6.43) | 0.485 |
| Fracture | 36 (2.96) | 84 (3.16) | 0.745 |
| Transplant rejection/failure | 367 (30.2) | 1590 (59.8) | <0.001 |
| Mortality | |||
| Inhospital death | 9 (0.74) | 36 (1.35) | 0.099 |
| 30-day mortality | 12 (0.99) | 61 (2.29) | 0.006 |
| 12-month mortality | 34 (2.80) | 173 (6.50) | <0.001 |
Obtained using χ2 tests.