| 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 | 5 | 100.0% | 0.0% | 5 | 100.0% | 0.0% | 73 | 50.9% | 7.3% | 194 | 33.6% | 4.4% |
| Yearly Center Volume | 0-3 | 0 | - | - | 0 | - | - | 22 | 53.5% | 12.3% | 46 | 50.5% | 7.9% |
| 4-6 | 1 | 100.0% | 0.0% | 1 | 100.0% | 0.0% | 0 | - | - | 3 | 0.0% | 0.0% | |
| 7-11 | 1 | 100.0% | 0.0% | 1 | 100.0% | 0.0% | 9 | 43.8% | 31.5% | 18 | 61.2% | 13.2% | |
| 12-20 | 0 | - | - | 0 | - | - | 9 | + | + | 105 | 26.2% | 5.4% | |
| 21+ | 3 | 100.0% | 0.0% | 3 | 100.0% | 0.0% | 33 | 50.1% | 11.0% | 22 | + | + | |