Table 2.
Frequency and Type of Previous Cartilage Repair.
| Procedure | n | Percentage |
|---|---|---|
| Method | ||
| Arthroscopic | 112 | 68.3 |
| Arthroscopic and open | 48 | 29.3 |
| Open | 4 | 2.4 |
| SMS | 145 | 88.4 |
| OAT and SMS | 5 | 3 |
| ACI and SMS | 5 | 3 |
| OAT | 3 | 1.8 |
| ACI and SMS and synthetic plugs | 1 | 0.6 |
| Periosteal implant | 1 | 0.6 |
| Number of previous surgeries | ||
| One surgery | 46 | 28 |
| Two surgeries | 49 | 29.9 |
| Three surgeries | 34 | 20.7 |
| Four surgeries | 9 | 5.5 |
| Five or more surgeries | 26 | 15 |
SMS = subchondral marrow stimulation; OAT = osteochondral autograft transplantation; ACI = autologous chondrocyte implantation.