Open Access
Table 1
Measurement data of the femur.
| Measurement description | Mean ± SD | 95% CI |
|---|---|---|
| Femur neck-shaft axis offset (mm) | 6.1 ± 1.7 | 5.7–6.4 |
| GT to sLSNI (mm) | 40.3 ± 5.1 | 39.3–41.4 |
| Femur neck axis length (mm) | 94.1 ± 7.4 | 92.6– 95.6 |
| NSA of proximal femur (°) | 126.3 ± 5.4 | 125.2–127.4 |
| NSA to apex of femur bow (°) | 126.5 ± 5.6 | 125.4–127.6 |
| NSA to DICN (°) | 128.3 ± 5.6 | 127.2–129.4 |
| Radius of curvature (m) | 1.2 ± 0.3 | 1.1–1.2 |
| Femoral anteversion (°) | 18.8 ± 9.2 | 16.9–20.6 |
Abbreviations: SD, standard deviation; 95% CI, 95 percent confidence interval; 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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