Kaplan–Meier survival estimates
| Time years | |||||
| 0 | 1 | 2 | 3 | 4 | |
| Men | |||||
| At risk | 613 | 464 | 404 | 366 | 340 |
| Cumulative deaths | 0 | 149 | 209 | 247 | 273 |
| Death | 0% | 24.3% | 34.1% | 40.3% | 45.5% |
| Survival | 100.0% | 75.7% | 65.9% | 59.7% | 55.5% |
| Women | |||||
| At risk | 538 | 437 | 383 | 348 | 324 |
| Cumulative deaths | 0 | 101 | 155 | 190 | 214 |
| Death | 0% | 18.8% | 28.8% | 35.3% | 39.8% |
| Survival | 100.0% | 81.2% | 71.2% | 64.7% | 60.2% |
| Men and women | |||||
| At risk | 1151 | 901 | 787 | 714 | 664 |
| Cumulative deaths | 0 | 250 | 364 | 437 | 487 |
| Death | 0% | 21.0% | 30.5% | 36.8% | 41.0% |
| Survival | 100.0% | 79.0% | 69.5% | 63.2% | 59.0% |