| Variable | n |
| Total patients | 53 |
| Total procedures | 58 |
| Patient characteristics |
|
| - Sex, male | 13 |
| - Sex, female | 40 |
| - Affected knee, right | 28 |
| - Affected knee, left | 30 |
| Follow-up characteristics | years |
| Age at time of procedure, mean | 21.5 |
| Follow-up period, mean | 9.8 |