Table 2.
Radiological measurements and correction errors
| Parameters (in °) | Preoperative | Postoperative | Difference |
|---|---|---|---|
| HKAa | 6.5 ± 10.8 (varus) | 1.9 ± 1.5 (valgus) | 8.5 ± 12.3 |
| MAD (in mm) | 21.2 ± 11.3 | 6.9 ± 5.1 | 28.1 ± 16.4 |
| MPTAa | 85.4 ± 1.9 | 91.2 ± 2.8 | 5.8 ± 0.8 |
| LDFAa | 88.6 ± 1.6 | 88.0 ± 1.9 | 0.6 ± 0.3 |
| JLCAa | 2.5 ± 1.8 | 2.0 ± 1.4 | 0.5 ± 0.4 |
| JLOa | 2.1 ± 1.7 | 2.5 ± 1.9 | 0.5 ± 0.3 |
| WBL ratioa | 54.2 ± 3.7* | 56.6 ± 9.7 | 3.5 ± 6.2 |
| Correction error | |||
| Overcorrection > 5% aimed correction | 32.1% | ||
| Undercorrection < 5% aimed correction | 5.1% | ||
n = 78
*planned using Miniaci method; WBL weight-bearing line ratio in % of the tibial plateau width (medial 0%, lateral 100%)
amean ± SD