| 3 Months | 1 Year | 3 Years | 5 Years | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 4,325 | 90.1% | 0.5% | 4,325 | 85.3% | 0.5% | 4,431 | 77.2% | 0.6% | 4,564 | 70.6% | 0.7% |
| Life Support at Tx | No | 1,482 | 92.4% | 0.7% | 1,482 | 88.4% | 0.8% | 1,451 | 79.4% | 1.1% | 1,494 | 73.4% | 1.2% |
| Yes | 2,819 | 88.8% | 0.6% | 2,819 | 83.6% | 0.7% | 2,965 | 76.2% | 0.8% | 2,978 | 69.3% | 0.9% | |
| Unknown | 24 | 100.0% | 0.0% | 24 | 100.0% | 0.0% | 15 | 73.3% | 11.4% | 92 | 68.3% | 5.2% | |