Table 2 Comparison of mechanical femorotibial angle (x ± s)
PSI group (n = 15) | Control group (n = 11) | P-value | |
|---|---|---|---|
Preoperative (°) | 178.13 ± 1.44 | 179.23 ± 2.25 | 0.143 |
Postoperative (°) | 186.25 ± 1.47 | 187.53 ± 2.33 | 0.100 |
Degree of planing correction (°) | 8 | 8 | |
Degree of actual correction (°) | 8.11 ± 0.84 | 8.3 ± 1.42 | 0.685 |
Absolute correction error (°) | 0.62 ± 0.56 | 1.20 ± 0.73 | 0.032* |
Absolute correction error within 1° (%) | 86.7% | 63.6% | |
Absolute correction error within 2° (%) | 100% | 81.8% |