Table 2 Operative data during the nine-year period of study
Year | Open | Conv | VLS | Tot |
|---|---|---|---|---|
1999 | 29 | 2 | 82 | 113 |
2000 | 9 | 5 | 83 | 97 |
2001 | 13 | 5 | 98 | 116 |
2002 | 6 | 4 | 78 | 88 |
2003 | 9 | 4 | 87 | 100 |
2004 | 5 | 5 | 102 | 112 |
2005 | 7 | 11 | 83 | 101 |
2006 | 9 | 8 | 65 | 82 |
2007 | 8 | 2 | 73 | 83 |
2008 | 10 | 5 | 80 | 95 |
Tot | 105 | 51 | 831 | 987 |