Numbers (%) of patients who were alive or dead (30-day mortality) year by year (excluding a total of 31 patients with uncertain survival data)
| Year | Alive | Dead | Total |
|---|---|---|---|
| 1996 | 191 (94.6%) | 11 (5.4%) | 202 (100%) |
| 1999 | 207 (92.4%) | 17 (7.6%) | 224 (100%) |
| 2002 | 244 (96.8%) | 8 (3.2%) | 252 (100%) |
| 2005 | 350 (94.1%) | 22 (5.9%) | 372 (100%) |
| 2006 | 345 (95.8%) | 15 (4.2%) | 360 (100%) |
| 2007 | 348 (96.1%) | 14 (3.9%) | 362 (100%) |
| 2008 | 337 (94.7%) | 19 (5.3%) | 356 (100%) |
| 2009 | 238 (95.2%) | 12 (4.8%) | 250 (100%) |
| 2010 | 249 (95.8%) | 11 (4.2%) | 260 (100%) |
| Total | 2509 (95.1%) | 129 (4.9%) | 2638 (100%) |