| The United Kingdom Cardiac Surgical Register, 1977-2000 | |||||||||
| Trends in Surgery for Heart Valve Disease | |||||||||
| Year | Isolated Valve Surgery | CABG + Valve | % Mortality by valve site | ||||||
| Number | % Mortality | Number | % Mortality | Mitral | Aortic | Double | Triple | ||
| 1977 | 4832 | 8.9 | 584 | 16.8 | 7.0 | 8.6 | 17.0 | 16.3 | |
| 1978 | 4873 | 9.5 | 537 | 16.8 | 9.6 | 7.9 | 16.2 | 27.6 | |
| 1979 | 4791 | 9.2 | 620 | 16.0 | 8.6 | 7.4 | 16.0 | 29.3 | |
| 1980 | 4814 | 7 | 802 | 15.1 | 7.7 | 5.0 | 10.9 | 18.0 | |
| 1981 | 4762 | 6.9 | 839 | 14.5 | 6.6 | 5.3 | 11.2 | 21.2 | |
| 1982 | 4652 | 6.7 | 1224 | 12.4 | 6.9 | 4.6 | 11.3 | 19.4 | |
| 1983 | 4811 | 7.5 | 1111 | 11.3 | 6.8 | 6.1 | 12.6 | 27.3 | |
| 1984 | 5026 | 5.3 | 1120 | 9.9 | 4.6 | 4.1 | 9.5 | 17.1 | |
| 1985 | 5073 | 5.6 | 1133 | 10.0 | 5.2 | 4.9 | 8.4 | 9.8 | |
| 1986 | 4633 | 5.4 | 1243 | 9.9 | 5.5 | 3.9 | 9.0 | 15.2 | |
| 1987 | 4755 | 5.8 | 1299 | 10.0 | 6.3 | 4.1 | 8.2 | 29.2 | |
| 1988 | 4447 | 6 | 1306 | 9.0 | 6.1 | 3.8 | 10.3 | 31.3 | |
| 1989 | 4571 | 6 | 1342 | 8.6 | 6.1 | 4.6 | 9.8 | 19.1 | |
| 1990 | 4924 | 6 | 1536 | 9.7 | 5.7 | 4.6 | 10.8 | 17.4 | |
| 1991 | 4828 | 5.7 | 1710 | 9.5 | 6.0 | 4.3 | 9.8 | 21.9 | |
| 1992 | 5164 | 5.7 | 1963 | 12.8 | 6.4 | 4.2 | 9.4 | 21.0 | |
| 1993/4 | 5653 | 5.3 | 2037 | 9.2 | 7.0 | 3.2 | 8.1 | 22.0 | |
| 1994/5 | 5229 | 5.3 | 2282 | 8.3 | 7.0 | 3.7 | 6.3 | 28.6 | |
| 1995/6 | 5234 | 5.5 | 2362 | 9.1 | 5.3 | 4.8 | 9.1 | 16.7 | |
| 1996/7 | 4962 | 5.9 | 2078 | 8.0 | 6 | 4.5 | 11.5 | 33.3 | |
| 1997/8 | 5543 | 5.7 | 2433 | 8.3 | 6.3 | 4.5 | 10 | 14.7 | |
| 1998/9 | 5487 | 5.2 | 2568 | 7.9 | 5.8 | 3.8 | 10.7 | 4.5 | |
| 1999/00 | 5393 | 5.5 | 2641 | 7.8 | 6.7 | 3.5 | 12 | 22.2 | |
