|
Year of operation |
Bioprosthesis type |
Total |
|||
|
Porcine |
Pericardial |
||||
|
1986 |
1778 |
74.24% |
617 |
25.76% |
2395 |
|
1987 |
1432 |
76.91% |
430 |
23.09% |
1862 |
|
1988 |
1383 |
84.95% |
245 |
15.05% |
1628 |
|
1989 |
1214 |
85.67% |
203 |
14.33% |
1417 |
|
1990 |
1133 |
90.71% |
116 |
9.29% |
1249 |
|
1991 |
1326 |
95.74% |
59 |
4.26% |
1385 |
|
1992 |
1293 |
93.63% |
88 |
6.37% |
1381 |
|
1993 |
1433 |
96.69% |
49 |
3.31% |
1482 |
|
1994 |
1453 |
91.20% |
135 |
8.50% |
1588 |
|
1995 |
1500 |
92.08% |
129 |
7.92% |
1629 |
