Table 4 Von-mises stress of femur and PFNA (Mpa). The changing rates of maximum Von -mises stress, compared to non-augmented, are shown in parentheses
AO classification | Status | Maximum stress of femur | Maximum stress of head-neck trabecular | Maximum stress of PFNA |
|---|---|---|---|---|
31-A1.3 | Non-augmented | 193.4 | 4.5 | 829.4 |
Augmented | 177.2 (−8.4%) | 4.2 (−6.7%) | 1005.0 (+ 21.2%) | |
31-A2.2 | Non-augmented | 217.6 | 4.7 | 797.2 |
Augmented | 186.1 (−14.5%) | 4.1 (−12.8%) | 974.1 (+ 22.2%) |