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Table 3
Difference between measurements for male/female and left/right subgroups.
| Male (n = 56) | Female (n = 44) | p-value | Left (n = 49) | Right (n = 51) | p-value | |
|---|---|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | |||
| Femur neck-shaft axis offset (mm) | 6.2 ± 1.6 | 5.9 ± 1.8 | 0.392 | 6.2 ± 1.5 | 5.9 ± 1.8 | 0.377 |
| GT to sLSNI (mm) | 41.0 ± 5.9 | 39.5 ± 3.8 | 0.127 | 40.4 ± 3.9 | 40.3 ± 6.1 | 0.905 |
| Femur neck axis length (mm) | 98.0 ± 6.6 | 89.1 ± 5.0 | <0.001 | 92.9 ± 6.5 | 95.2 ± 8.0 | 0.118 |
| NSA of proximal femur (°) | 126.2 ± 5.5 | 126.5 ± 5.4 | 0.751 | 126.5 ± 4.9 | 126.2 ± 6.0 | 0.769 |
| NSA to apex of femur bow (°) | 126.4 ± 5.5 | 126.7 ± 5.7 | 0.838 | 126.6 ± 5.1 | 126.5 ± 6.0 | 0.878 |
| NSA to DICN (°) | 128.2 ± 5.6 | 128.4 ± 5.7 | 0.798 | 128.3 ± 5.2 | 128.3 ± 6.0 | 0.982 |
| Radius of curvature (m) | 1.2 ± 0.3 | 1.1 ± 0.3 | 0.434 | 1.2 ± 0.3 | 1.2 ± 0.3 | 0.947 |
| Femur anteversion (°) | 19.1 ± 9.6 | 18.4 ± 8.8 | 0.692 | 18.11 ± 8.4 | 19.4 ± 10.0 | 0.480 |
Abbreviations: n, number; SD, standard deviation; mm, millimeter; NSA, neck-shaft angle; DICN, distal intercondylar notch; m, meter; GT, greater trochanter tip; sLSNI, shaft lag screw nail interface.
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