von Mises | Single-leg standing (MPa) | Â | 2-leg standing (MPa) | |||||
---|---|---|---|---|---|---|---|---|
preoperative | postoperative | t | p | preoperative | postoperative | t | p | |
1 × body weight | 0.95 ± 0.18 | 0.54 ± 0.10 | 20.667 |  < 0.01 | 0.68 ± 0.13 | 0.42 ± 0.08 | 20.817 |  < 0.01 |
2 × body weight | 1.83 ± 0.34 | 1.07 ± 0.20 | 20.978 |  < 0.01 | 1.50 ± 0.28 | 0.91 ± 0.17 | 20.786 |  < 0.01 |
3 × body weight | 2.71 ± 0.51 | 1.60 ± 0.30 | 20.544 |  < 0.01 | 2.17 ± 0.41 | 1.30 ± 0.24 | 20.533 |  < 0.01 |