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Radiological evaluation of patellofemoral and tibiofemoral osteoarthritis
| Location | Classification | Pre-operative No of knees (%) |
2-year FU No of knees (%) |
12-year FU No of knees (%) |
|---|---|---|---|---|
| Iwano | ||||
| Patellofemoral | None | 14 (93.3) | 13 (86.6) | 3 (20) |
| Stage 1 | 1 (6.7) | 1 (6.7) | 8 (53.3) | |
| Stage 2 | 0 (0) | 1 (6.7) | 4 (26.7) | |
| Total | 15 (100) | 15 (100) | 15 (100) | |
In addition to these 15 knees, one patient underwent a patellofemoral arthroplasty 3-year post-trochlear osteotomy
