Table 6 Postoperative range of motion of the knee and radiographic evaluations in Group A, B, C, and D at 60° flexion
Group A | Group B | Group C | Group D | P value | |
|---|---|---|---|---|---|
Range of motion at 1 year postoperatively | |||||
Maximum extension (degrees) | − 0.8 ± 2.3 | − 0.5 ± 2.2 | − 0.7 ± 1.7 | − 0.7 ± 1.8 | 0.90 |
Maximum flexion (degrees) | 124.5 ± 10.9 | 122.1 ± 15.0 | 124.6 ± 7.6 | 122.8 ± 13.2 | 0.79 |
Postoperative HKA angle (degrees) | 179.3 ± 1.8 | 179.8 ± 2.3 | 178.9 ± 2.0 | 179.0 ± 2.0 | 0.30 |
Femoral varus angle (degrees) | 0.5 ± 1.5 | 0.3 ± 1.6 | 0.6 ± 2.1 | 0.8 ± 2.0 | 0.54 |
Femoral flexion angle (degrees) | 4.8 ± 2.4 | 4.4 ± 2.3 | 4.4 ± 3.0 | 4.6 ± 3.4 | 0.95 |
Femoral external rotational angle (degrees) | 0.4 ± 1.8 | − 0.4 ± 1.8 | 0.4 ± 1.0 | 0.1 ± 1.8 | 0.14 |
Tibial varus angle (degrees) | 0.3 ± 1.3 | − 0.1 ± 1.3 | 0.3 ± 1.2 | 0.1 ± 1.2 | 0.60 |
Tibial posterior slope angle (degrees) | 3.1 ± 1.4 | 3.3 ± 1.8 | 2.7 ± 2.0 | 3.2 ± 1.6 | 0.56 |
Tibial external rotational angle (degrees) | 2.9 ± 4.5 | 3.4 ± 3.0 | 3.1 ± 4.6 | 3.2 ± 4.6 | 0.95 |