Table 2.
Mechanical response and matrix properties of cortical bone. (NS= non-significant).
| Saline-injected | BTX-injected | P value | |
|---|---|---|---|
| Ultimate load (N) | 92.8 ± 3.4 | 91.2 ± 2.2 | NS |
| Ultimate displacement (mm) | 0.7 ± 0.01 | 0.6 ± 0.01 | NS |
| Stiffness (N/mm) | 221.1 ± 6.0 | 214.9 ± 7.3 | NS |
| Absorbed Energy (N.mm) | 36.8 ± 2.8 | 31.3 ± 2.6 | NS |
| Bending stress (MPa) | 173.4 ± 4.7 | 172.9 ± 5.7 | NS |
| Ultimate strain | 0.03 ± 0.001 | 0.03 ± 0.001 | NS |
| Bending modulus (GPa) | 8.9 ± 0.4 | 8.4 ± 0.3 | NS |
| Work to fracture (kJ/m2) | 4.7 ± 0.3 | 3.8 ± 0.3 | <0.05 |
| Capeak (%) | 26.2 ± 0.2 | 24.9 ± 0.3 | <0.05 |
| Camean (%) | 25.7 ± 0.2 | 24.4 ± 0.3 | <0.05 |
| Cawidth (%) | 3.2 ± 0.01 | 3.2 ± 0.01 | NS |
| MCM (mm2) | 5.7 ± 0.1 | 4.9 ± 0.1 | <0.001 |