Table 1.
Average morphological parameters of femoral cortical bone from young and aged women.
| N | Age range | Vascular canal porosity (% ± SD) | Endosteal to periosteal depth (cropped; mm ± SD) | Avg bone area (cropped; mm2 ± SD) | LCN area (% ± SD) | Lacunar area (% ± SD) | Avg lacunae size (μm2 ± SD) | Lacunae #/mm2 ± SD | Canalicular area (% ± SD) | |
|---|---|---|---|---|---|---|---|---|---|---|
| Young | 5 | 20–23 | 4.8 ± 0.5 | 3.27 ± 0.83 | 4.75 ± 1.26 | 17.6 ± 2.9 | 3.2 ± 1.0 | 45.6 ± 8.7 | 695 ± 79 | 14.3 ± 1.9 |
| Aged | 6 | 70–86 | 15.4 ± 9.8 | 3.19 ± 0.92 | 3.99 ± 1.14 | 10.5 ± 2.4 | 2.5 ± 0.5 | 46.4 ± 9.3 | 546 ± 126 | 7.9 ± 2.0 |
| % change w/age | 323 | − 40.6 | − 22.8 | 1.7 | − 21.4 | − 44.6 | ||||
| p = | 0.039 | 0.001 | 0.14 | 0.88 | 0.049 | 0.001 |