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| | Group A | Group B | p value |
|---|
| Radiologic |
| HKA angle (°) | 179.2 ± 1.6 | 179.2 ± 1.3 | 0.870 |
| Insall-Salvati ratio | 1.1 ± 0.2 | 1.1 ± 0.1 | 0.866 |
| Patellar tilt angle (°) | 9.0 ± 6.4 | 11.9 ± 10.2 | 0.147 |
| Patellar displacement (mm)a | 0.9 ± 3.7 | 0.3 ± 3.6 | 0.511 |
| Progression of osteosclerosis (n)b | 22 (30.6%) | 13 (40.6%) | 0.371 |
| Clinical |
| KSKS | 83.5 ± 12.1 | 86.3 ± 11.4 | 0.304 |
| KSFS | 81.3 ± 9.7 | 82.7 ± 8.7 | 0.505 |
| Feller score | 25.1 ± 4.1 | 25.5 ± 3.4 | 0.632 |
| Kujala score | 77.2 ± 10.7 | 75.6 ± 12.2 | 0.551 |
| ROM (°) | 127.9 ± 9.9 | 128.4 ± 9.4 | 0.844 |
- 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
- b Evaluated at the patellar central ridge
