| 3 Months | 1 Year | 5 Years | 10 Years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (Tx 2005 - 2006) | (Tx 2005 - 2006) | (Tx 2001 - 2006) | (Tx 1996 - 2006) | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 592 | 95.3% | 0.9% | 592 | 89.9% | 1.2% | 2,086 | 77.3% | 1.1% | 2,936 | 70.8% | 1.2% |
| Yearly Center Volume | 0-9 | 15 | 93.3% | 6.4% | 15 | 86.7% | 8.8% | 46 | 70.8% | 7.5% | 195 | 77.1% | 4.5% |
| 10-19 | 35 | 97.1% | 2.8% | 35 | 97.1% | 2.8% | 108 | 85.4% | 3.5% | 72 | 73.3% | 5.7% | |
| 20-34 | 17 | 82.4% | 9.2% | 17 | 76.5% | 10.3% | 158 | 73.5% | 4.4% | 495 | 68.9% | 5.4% | |
| 35-56 | 137 | 97.8% | 1.3% | 137 | 93.4% | 2.1% | 427 | 80.9% | 2.3% | 591 | 72.6% | 2.4% | |
| 57+ | 388 | 94.8% | 1.1% | 388 | 88.7% | 1.6% | 1,347 | 76.2% | 1.4% | 1,583 | 69.4% | 1.6% | |