| 3 Months | 1 Year | 3 Years | 5 Years | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 4,140 | 90.7% | 0.5% | 4,140 | 86.3% | 0.5% | 4,159 | 78.5% | 0.6% | 4,404 | 72.5% | 0.7% |
| Life Support at Tx | No | 1,302 | 92.0% | 0.8% | 1,302 | 88.3% | 0.9% | 1,509 | 82.1% | 1.0% | 1,339 | 74.5% | 1.2% |
| Yes | 2,836 | 90.1% | 0.6% | 2,836 | 85.3% | 0.7% | 2,644 | 76.5% | 0.8% | 3,047 | 71.6% | 0.8% | |
| Unknown | 2 | 100.0% | 0.0% | 2 | 100.0% | 0.0% | 6 | 66.7% | 19.2% | 18 | 66.7% | 11.1% | |