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| | Group A | Group B | p value |
|---|
| Radiologic |
| KL grade 3/4 (n) | 20/52 | 10/22 | 0.815 |
| HKA angle (°) | 172.0 ± 5.6 | 171.4 ± 5.6 | 0.585 |
| Insall-Salvati ratio | 1.1 ± 0.2 | 1.1 ± 0.2 | 0.756 |
| Patellar tilt angle (°) | 9.8 ± 5.5 | 14.6 ± 4.1 | < 0.001 |
| Patellar displacement (mm)a | −1.0 ± 3.8 | − 0.5 ± 3.3 | 0.431 |
| Clinical |
| KSKS | 45.8 ± 12.7 | 46.9 ± 11.4 | 0.709 |
| KSFS | 36.3 ± 11.8 | 37.8 ± 10.9 | 0.547 |
| Feller score | 15.0 ± 5.7 | 14.3 ± 5.6 | 0.577 |
| Kujala score | 51.0 ± 17.7 | 50.6 ± 16.3 | 0.930 |
| ROM (°) | 118.2 ± 15.4 | 118.9 ± 15.0 | 0.858 |
- HKA hip-knee-ankle, KL Kellgren-Lawrence, KSFS Knee Society function score, KSKS Knee Society knee score, ROM range of motion
- a A negative value means medial displacement and a positive value means lateral displacement
