Table 1 Patient demographics
| Number of knees | 61 |
|---|---|
| Number of patients | 47 |
| Gender (female/male) | 40 / 7 |
| Age (years) | 74.8 ± 7.2 |
| Body height (cm) | 155.0 ± 6.5 |
| Body weight (kg) | 64.6 ± 10.6 |
| Body mass index (kg/m2) | 26.9 ± 4.0 |
| Preoperative hip–knee–ankle angle (°) | 167.7 ± 5.6 |
| Postoperative hip–knee–ankle angle (°) | 179.1 ± 2.4 |
| Follow-up (months) | 13.5 ± 7.8 |