| 3 Months | 1 Year | 3 Years | 5 Years | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (Tx 2004 - 2005) | (Tx 2004 - 2005) | (Tx 2002 - 2005) | (Tx 2000 - 2005) | ||||||||||
| N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | N | % | Std. Err. | ||
| Total | All | 3,248 | 92.2% | 0.5% | 3,248 | 83.7% | 0.6% | 5,958 | 68.7% | 0.7% | 8,316 | 55.1% | 0.8% |
| Yearly Center Volume | 0-12 | 7 | 100.0% | 0.0% | 7 | 100.0% | 0.0% | 20 | 72.0% | 11.1% | 61 | 64.1% | 9.4% |
| 13-28 | 89 | 89.9% | 3.2% | 89 | 84.1% | 3.9% | 273 | 62.7% | 4.1% | 523 | 55.7% | 3.1% | |
| 29-47 | 304 | 90.1% | 1.7% | 304 | 82.9% | 2.2% | 617 | 67.0% | 2.3% | 725 | 51.4% | 2.9% | |
| 48-81 | 641 | 93.6% | 1.0% | 641 | 85.5% | 1.4% | 1,247 | 70.5% | 1.5% | 1,990 | 55.7% | 1.7% | |
| 82+ | 2,207 | 92.1% | 0.6% | 2,207 | 83.3% | 0.8% | 3,801 | 68.8% | 0.9% | 5,017 | 55.3% | 1.1% | |