Table 3. E, H, and E/H ratio of the trabecular and cortical bone sites as determined by nanoindentation.
VL1R | VL3R | VL5R | VL7R | VLNR | SPD | BCL | ||
Tb.T | E (GPa) | 14.90±1.02 | 15.00±1.11 | 15.00±1.23 | 15.00±0.89 | 14.90±0.74 | 14.90±1.35 | 15.00±1.41 |
H (GPa) | 0.20±0.01 | 0.20±0.01 | 0.19±0.03 | 0.20±0.02 | 0.19±0.03 | 0.20±0.02 | 0.20±0.01 | |
E/H | 74.50±3.41 | 75.00±4.29 | 77.90±2.79 | 74.00±2.76 | 77.90±4.73 | 75.00±1.96 | 75.00±2.47 | |
Tb.L | E (GPa) | 23.72±2.11 | 23.50±2.64 | 23.58±1.89 | 23.16±2.13 | 23.20±2.29 | 23.65±3.01 | 23.15±1.74 |
H (GPa) | 1.24±0.03 | 1.23±0.11 | 1.20±0.10 | 1.13±0.09 | 1.15±0.03 | 1.19±0.10 | 1.21±0.06 | |
E/H | 19.37±2.12 | 19.15±1.71 | 19.72±1.22 | 20.39±1.59 | 20.05±2.85 | 19.87±1.97 | 19.40±2.18 | |
Ct.L | E (GPa) | 30.20±2.94 | 30.20±3.15 | 30.20±2.76 | 30.40±2.18 | 30.60±3.31 | 30.10±2.87 | 30.80±2.09 |
H (GPa) | 1.49±0.12 | 1.49±0.09 | 1.49±0.04 | 1.49±0.01 | 1.49±0.01 | 1.49±0.04 | 1.50±0.10 | |
E/H | 20.34±1.86 | 20.20±1.43 | 20.34±0.98 | 20.54±1.03 | 20.54±2.10 | 20.20±1.74 | 20.53±1.35 |
n = 7 values per group. Sample thickness is 2 mm. Values are shown as the median±SE. Tb.T - transverse trabecular bone; Tb.L - longitudinal trabecular bone; Ct.L - longitudinal cortical bone; E - elastic modulus; H - hardness; E/H - ratio of elastic modulus and hardness.