| 3 Months | 1 Year | 3 Years | 5 Years | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 1,788 | 89.5% | 0.7% | 1,788 | 86.0% | 0.8% | 1,838 | 76.5% | 1.0% | 1,808 | 69.9% | 1.1% |
| Previous KI Tx | No | 1,693 | 89.7% | 0.7% | 1,693 | 86.5% | 0.8% | 1,738 | 77.1% | 1.0% | 1,721 | 70.0% | 1.1% |
| Yes | 95 | 85.0% | 3.7% | 95 | 76.1% | 4.5% | 100 | 66.4% | 4.8% | 87 | 68.5% | 5.2% | |