| 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 | 604 | 90.7% | 1.2% | 604 | 84.8% | 1.5% | 2,126 | 70.9% | 1.1% | 3,016 | 63.3% | 1.3% |
| Yearly Center Volume | 0-9 | 17 | 94.1% | 5.7% | 17 | 76.5% | 10.3% | 51 | 61.5% | 7.5% | 209 | 72.4% | 4.1% |
| 10-19 | 35 | 94.3% | 3.9% | 35 | 94.3% | 3.9% | 112 | 80.1% | 4.4% | 76 | 51.3% | 7.9% | |
| 20-34 | 18 | 83.3% | 8.8% | 18 | 77.8% | 9.8% | 160 | 63.9% | 4.6% | 507 | 62.5% | 5.1% | |
| 35-56 | 138 | 92.0% | 2.3% | 138 | 87.7% | 2.8% | 436 | 74.9% | 2.4% | 613 | 63.9% | 2.5% | |
| 57+ | 396 | 90.2% | 1.5% | 396 | 83.6% | 1.9% | 1,367 | 70.2% | 1.4% | 1,611 | 62.6% | 1.6% | |