Table 1.
Numbers, procedure types together with age, sex and EuroSCORE divided in time periods. Residual EuroSCORE is total EuroSCORE minus age, sex and procedure scores
| Years | Number of patients | Procedure types (%) | Average age | Number of females (%) | EuroSCORE | |||
|---|---|---|---|---|---|---|---|---|
| CABG | Valves | Combination | Total | Residual | ||||
| 1999-2000 | 3269 | 81.3 | 12.5 | 6.2 | 65.1 | 26.0 | 4.67 | 2.64 |
| 2001-2002 | 4291 | 75.2 | 15.5 | 9.3 | 65.8 | 25.8 | 4.75 | 2.42 |
| 2003-2004 | 3929 | 66.4 | 20.7 | 12.9 | 66.6 | 25.2 | 4.93 | 2.26 |
| 2005-2006 | 3655 | 59.3 | 25.1 | 15.6 | 67.6 | 26.0 | 5.65 | 2.20 |
| 2007-2008 | 3331 | 58.5 | 27.3 | 14.2 | 66.9 | 27.1 | 5.70 | 2.22 |
| 2009-2010 | 3235 | 52.1 | 34.8 | 13.1 | 68.0 | 29.1 | 6.46 | 2.52 |
| 2011-2012 | 3892 | 54.7 | 34.5 | 10.8 | 68.9 | 28.2 | 5.68 | 1.83 |
| P | 25,602 | <0.001# | <0.001* | 0.0012# | <0.001* | <0.001* | ||
Statistics: #Chi-square test, *One-way ANOVA. Valves=Aortic valves or mitral valves. CABG: Coronary artery bypass grafting, EuroSCORE: European system for cardiac operative risk evaluation