Table 4.
Imaging evaluation results
| Hip-knee-ankle angle | Mean value ± S.D. | P value | ||||||
| Preoperative | 6.7 ± 3.6 | |||||||
| 1 month | 7.1 ± 3.5 | 0.59 | ||||||
| 3 months | 6.7 ± 3.9 | 0.94 | ||||||
| 6 months | 6.6 ± 3.6 | 0.92 | ||||||
| 12 months | 6.8 ± 3.7 | 0.90 | ||||||
| Anterior T2 mapping value | Central T2 mapping value | Posterior T2 mapping value | ||||||
| Medial femur | Mean value ± S.D. | Pvalue | Medial femur | Mean value ± S.D. | Pvalue | Medial femur | Mean value ± S.D. | Pvalue |
| Preoperative | 51.5 ± 5.0 | Preoperative | 51.4 ± 4.6 | Preoperative | 52.9 ± 5.2 | |||
| 1 month | 50.0 ± 2.4 | 0.20 | 1 month | 50.7 ± 4.1 | 0.60 | 1 month | 51.2 ± 4.8 | 0.25 |
| 3 months | 50.7 ± 4.1 | 0.52 | 3 months | 50.7 ± 4.2 | 0.62 | 3 months | 51.6 ± 4.8 | 0.37 |
| 6 months | 50.1 ± 3.0 | 0.22 | 6 months | 49.8 ± 4.7 | 0.28 | 6 months | 52.0 ± 4.4 | 0.56 |
| 12 months | 50.3 ± 4.6 | 0.054 | 12 months | 50.4 ± 5.4 | 0.18 | 12 months | 51.8 ± 4.8 | 0.22 |
| Medial tibia | Medial tibia | Medial tibia | ||||||
| Preoperative | 42.6 ± 7.2 | Preoperative | 42.0 ± 6.0 | Preoperative | 42.1 ± 6.7 | |||
| 1 month | 40.6 ± 6.0 | 0.26 | 1 month | 40.7 ± 5.0 | 0.39 | 1 month | 40.7 ± 5.4 | 0.39 |
| 3 months | 40.8 ± 5.5 | 0.29 | 3 months | 40.4 ± 5.8 | 0.28 | 3 months | 41.0 ± 5.8 | 0.52 |
| 6 months | 39.1 ± 3.3 | 0.053 | 6 months | 38.4 ± 2.7 | 0.02a | 6 months | 39.3 ± 3.2 | 0.11 |
| 12 months | 39.7 ± 3.9 | 0.12 | 12 months | 37.9 ± 2.8 | 0.01a | 12 months | 38.8 ± 3.8 | 0.08 |
| Lateral femur | Lateral femur | Lateral femur | ||||||
| Preoperative | 43.4 ± 3.3 | Preoperative | 48.1 ± 4.7 | Preoperative | 47.0 ± 4.7 | |||
| 1 month | 42.3 ± 3.7 | 0.24 | 1 month | 47.9 ± 4.8 | 0.85 | 1 month | 46.1 ± 4.6 | 0.49 |
| 3 months | 42.4 ± 3.2 | 0.29 | 3 months | 46.7 ± 3.8 | 0.27 | 3 months | 45.1 ± 3.3 | 0.13 |
| 6 months | 41.8 ± 3.4 | 0.10 | 6 months | 47.3 ± 4.0 | 0.56 | 6 months | 44.6 ± 4.4 | 0.07 |
| 12 months | 41.3 ± 1.7 | 0.047a | 12 months | 46.4 ± 2.4 | 0.22 | 12 months | 43.4 ± 3.1 | 0.01a |
| Lateral tibia | Lateral tibia | Lateral tibia | ||||||
| Preoperative | 39.6 ± 2.1 | Preoperative | 37.2 ± 2.5 | Preoperative | 37.4 ± 2.5 | |||
| 1 month | 38.3 ± 2.2 | 0.06 | 1 month | 36.6 ± 3.5 | 0.43 | 1 month | 37.3 ± 2.9 | 0.85 |
| 3 months | 39.3 ± 2.8 | 0.72 | 3 months | 36.9 ± 2.3 | 0.67 | 3 months | 38.0 ± 2.9 | 0.45 |
| 6 months | 37.7 ± 2.3 | 0.01a | 6 months | 35.7 ± 2.4 | 0.07 | 6 months | 37.1 ± 2.6 | 0.67 |
| 12 months | 37.6 ± 1.5 | 0.04a | 12 months | 36.7 ± 2.2 | 0.60 | 12 months | 37.1 ± 2.6 | 0.74 |
a Statistically significant, Standard deviation (S.D)