Table 7. Eigenvectors of Principal Components 1–4.
PC1 | PC2 | PC3 | PC4 | |
Body mass | 0.239 | −0.205 | −0.026 | 0.318 |
Cross-sectional area | 0.316 | 0.161 | −0.025 | 0.227 |
Perimeter | 0.358 | −0.125 | −0.147 | 0.040 |
Inner minor axis | 0.234 | −0.111 | −0.296 | −0.474 |
Inner major axis | 0.289 | −0.242 | −0.116 | −0.077 |
Outer minor axis | 0.302 | 0.107 | −0.230 | −0.375 |
Outer major axis | 0.350 | −0.153 | −0.112 | 0.171 |
Shape factor | 0.194 | −0.282 | 0.053 | 0.538 |
CSMI | 0.358 | 0.081 | −0.143 | −0.122 |
Post-yield deflection | 0.183 | −0.125 | 0.518 | −0.203 |
Total deflection | 0.189 | −0.147 | 0.507 | −0.186 |
Stiffness | 0.083 | 0.409 | 0.036 | 0.074 |
Yield load | 0.123 | 0.407 | 0.028 | 0.071 |
Max load | 0.136 | 0.468 | 0.035 | 0.027 |
Energy | 0.209 | 0.063 | 0.506 | −0.116 |
Femoral BMD | 0.209 | 0.362 | 0.051 | 0.202 |
CSMI, cross-sectional moment of inertia; BMD, bone mineral density.