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Comparison of ICRS grading of femoral condyles and tibial plateau between the two groups before and after arthroscopic surgery
| HTOR (n = 35) | HTO (n = 25) | P | |
|---|---|---|---|
| ICRS grading of the medial femoral condyle | |||
| Before surgery (Grade0/1/2/3/4) | 0/1/8/12/14 | 0/2/7/9/7 | 0.420 |
| After surgery (Grade0/1/2/3/4) | 0/6/9/11/9 | 0/4/6/9/6 | 0.477 |
| ICRS grading of the tibial plateau | |||
| Before surgery (Grade0/1/2/3/4) | 0/0/4/9/12 | 0/1/11/12/14 | 0.426 |
| After surgery (Grade0/1/2/3/4) | 1/7/7/11/9 | 3/8/9/11/7 | 0.297 |
