| 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 | 3,483 | 92.3% | 0.5% | 3,483 | 84.6% | 0.6% | 8,907 | 55.3% | 0.8% | 14,721 | 28.0% | 0.7% |
| Yearly Center Volume | 0-12 | 6 | 83.3% | 15.2% | 6 | 62.5% | 21.3% | 55 | 59.3% | 8.8% | 248 | 26.6% | 4.2% |
| 13-28 | 124 | 91.9% | 2.4% | 124 | 87.8% | 3.0% | 476 | 55.5% | 3.2% | 1,055 | 27.0% | 2.6% | |
| 29-47 | 316 | 90.5% | 1.6% | 316 | 82.6% | 2.1% | 873 | 54.2% | 2.5% | 1,621 | 25.9% | 2.0% | |
| 48-81 | 641 | 92.3% | 1.1% | 641 | 84.8% | 1.4% | 1,774 | 54.7% | 1.7% | 3,277 | 29.2% | 1.4% | |
| 82+ | 2,396 | 92.5% | 0.5% | 2,396 | 84.7% | 0.7% | 5,729 | 55.6% | 1.0% | 8,520 | 28.0% | 0.9% | |