Table 3.
Comparisons of clinical and radiological outcomes between pre-operative and 2 years postoperative
| Pre-operative | 2 years postoperative | p valuea | |
|---|---|---|---|
| JOA score (points) | 65.5 (10.1) | 91.1 (8.3) | < 0.0001 |
| FTA (°) | 179.6 (3.3) | 169.6 (2.3) | < 0.0001 |
| HKA (°) | −4.5 (2.9) | 3.7 (1.9) | < 0.0001 |
| MA (%) | 27.4 (12.6) | 69.7 (13.0) | < 0.0001 |
| MPTA (°) | 85.5 (2.8) | 93.3 (2.5) | < 0.0001 |
| Insall-Salvati ratio (%) | 0.9 (0.1) | 0.9 (0.1) | N.S. |
| PTS (°) | 8.5 (3.2) | 11.0 (3.4) | < 0.0001 |
JOA score Japanese Orthopaedic Association score for osteoarthritic knee, FTA lateral femorotibial angle, HKA hip knee angle, MA mechanical axis, MPTA medial proximal tibial angle, PTS posterior tibial slope.
aSignificance levels with Student’s t-test