| | | More osteophytes (n = 47) | Less osteophytes (n = 63) |
|---|
| | | SV (n = 29) | MV (n = 18) | p-value | SV (n = 48) | MV (n = 15) | p-value |
|---|
| ROM | preoperative (degree) | 105.0 ± 22.2 | 97.8 ± 21.2 | 0.27 | 113.8 ± 19.6 | 119.7 ± 19.1 | 0.31 |
| | postoperative (degree) | 125.7 ± 10.7 | 115.0 ± 15.0 | 0.01* | 122.2 ± 11.5 | 123 ± 15.3 | 0.85 |
| | angle difference (degree) | 20.3 ± 19.4 | 17.2 ± 16.9 | 0.57 | 7.9 ± 19.6 | 3.3 ± 15.5 | 0.36 |
| KS | preoperative | 39.5 ± 13.4 | 41.5 ± 15.2 | 0.67 | 50.3 ± 15.0 | 47.5 ± 11.5 | 0.47 |
| | postoperative | 97.2 ± 5.6 | 95.8 ± 4.3 | 0.36 | 97 ± 4.3 | 95.4 ± 6.2 | 0.38 |
| | improvement rate (%) | 95.6 ± 8.9 | 93.0 ± 6.7 | 0.28 | 93.3 ± 9.9 | 79.2 ± 33.6 | 0.13 |
| FS | preoperative | 39.1 ± 18.7 | 41.6 ± 16.9 | 0.66 | 44.5 ± 17.5 | 37.7 ± 22.0 | 0.32 |
| | postoperative | 76.3 ± 15.6 | 76.7 ± 22.6 | 0.94 | 77.2 ± 16.9 | 75.7 ± 19.0 | 0.79 |
| | improvement rate (%) | 62.5 ± 23.3 | 63.7 ± 27.1 | 0.89 | 59.7 ± 32.6 | 51.9 ± 31.5 | 0.42 |
| KOOS- | preoperative | 42.6 ± 21.3 | 49.1 ± 18.6 | 0.29 | 50.1 ± 18.3 | 41.4 ± 13.8 | 0.06 |
| Symptom | postoperative | 80.3 ± 16.4 | 82.1 ± 13.3 | 0.68 | 81.9 ± 15.6 | 77.3 ± 16.9 | 0.44 |
| | improvement rate (%) | 66.8 ± 23.6 | 60.8 ± 35.5 | 0.54 | 56.7 ± 34.7 | 58.3 ± 31.8 | 0.87 |
| KOOS- | preoperative | 41.9 ± 18.3 | 44.6 ± 20.2 | 0.66 | 40.7 ± 17.3 | 37.7 ± 19.9 | 0.62 |
| Pain | postoperative | 86.1 ± 15.3 | 89.6 ± 11.6 | 0.39 | 86.1 ± 14.9 | 85.3 ± 14.9 | 0.85 |
| | improvement rate (%) | 77.1 ± 25.2 | 81.9 ± 20.3 | 0.49 | 74.7 ± 21.9 | 70.7 ± 30.6 | 0.65 |
| KOOS- | preoperative | 58.0 ± 14.0 | 62.6 ± 20.2 | 0.42 | 61.5 ± 20.5 | 53.7 ± 20.5 | 0.22 |
| ADL | postoperative | 85.6 ± 13.8 | 86.2 ± 14.6 | 0.89 | 85.9 ± 11.1 | 87.2 ± 12.2 | 0.72 |
| | improvement rate (%) | 68.2 ± 27.7 | 58.7 ± 34.6 | 0.34 | 60.5 ± 31.7 | 65.0 ± 34.1 | 0.65 |
| KOOS- | preoperative | 23.5 ± 14.0 | 29.8 ± 17.3 | 0.21 | 25.6 ± 14.2 | 29.4 ± 16.2 | 0.44 |
| QOL | postoperative | 64.0 ± 25.7 | 69.7 ± 21.1 | 0.42 | 66.6 ± 20.9 | 59.8 ± 18.1 | 0.24 |
| | improvement rate (%) | 55.2 ± 30.3 | 56.8 ± 25.7 | 0.85 | 54.9 ± 27.6 | 40.2 ± 25.2 | 0.07 |
- SV: strong varus. MPTA< 85; MV: mild varus. MPTA> 85; MPTA: medial proximal tibial angle; ROM: range of motion; KS: knee score; FS: function score; KOOS: knee injury and osteoarthritis outcome score. *Significantly different, p < 0.05
