| 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 | 1,809 | 89.4% | 0.7% | 1,809 | 86.0% | 0.8% | 5,343 | 72.6% | 0.8% | 9,836 | 52.9% | 0.9% |
| Yearly Center Volume | 0-3 | 108 | 83.2% | 3.6% | 108 | 82.2% | 3.7% | 463 | 73.7% | 2.5% | 1,079 | 56.4% | 2.8% |
| 4-6 | 289 | 87.2% | 2.0% | 289 | 83.7% | 2.2% | 660 | 69.3% | 2.3% | 1,144 | 46.3% | 2.8% | |
| 7-10 | 193 | 92.2% | 1.9% | 193 | 88.5% | 2.3% | 788 | 75.0% | 2.0% | 1,655 | 54.8% | 2.4% | |
| 11-17 | 377 | 89.7% | 1.6% | 377 | 85.5% | 1.8% | 1,138 | 73.9% | 1.7% | 2,501 | 53.9% | 2.0% | |
| 18+ | 842 | 90.1% | 1.0% | 842 | 86.9% | 1.2% | 2,294 | 72.0% | 1.2% | 3,457 | 52.5% | 1.4% | |