TABLE 3.
HR-pQCT (Radius and Tibia) and serum parameters at baseline.
| Group | |||||
|---|---|---|---|---|---|
| Control (n = 98) | Vibration (n = 99) | p-value | |||
| Mean | SD | Mean | SD | ||
| HR-pQCT (Tibia) | |||||
| Total BMD (mgHA/cm3) | 257.5 | 49.15 | 253.4 | 48.44 | 0.576 |
| Trabecular vBMD (mgHA/cm3) | 154.53 | 34.96 | 152.4 | 35.93 | 0.688 |
| BV/TV (%) | 0.13 | 0.03 | 0.13 | 0.03 | 0.686 |
| Trabecular inhomogeneity (Tb.1/N.SD; mm) | 0.29 | 0.16 | 0.35 | 0.38 | 0.157 |
| Cortical area (mm2) | 96.6 | 14.51 | 92.39 | 15.72 | 0.065 |
| Cortical vBMD (mgHA/cm3) | 795.6 | 60.3 | 806.31 | 64.9 | 0.256 |
| Cortical perimeter (mm) | 99.49 | 7.38 | 99.86 | 6.7 | 0.728 |
| Cortical thickness (mm) | 1.07 | 0.18 | 1.02 | 0.18 | 0.091 |
| Cortical porosity (%) | 0.08 | 0.03 | 0.07 | 0.03 | 0.051 |
| Ultimate load (N) | −8028.69 | 1,265.94 | −8020.71 | 1,320.72 | 0.967 |
| Trabecular load vs. whole bone load (distal) | 0.52 | 0.09 | 0.53 | 0.1 | 0.397 |
| Trabecular load vs. whole bone load (proximal) | 0.32 | 0.08 | 0.33 | 0.09 | 0.32 |
| Trabecular Von Mises stress (MPa) | 52.76 | 7.11 | 54.06 | 7.18 | 0.225 |
| Cortical Von Mises stress (MPa) | 86.01 | 2.21 | 86.19 | 2.41 | 0.612 |
| Total Muscle Volume (mm3) | 19,625.05 | 4,851.78 | 18,770.96 | 3,965.69 | 0.201 |
| MV/TV | 0.55 | 0.15 | 0.57 | 0.13 | 0.453 |
| HR-pQCT (Radius) | |||||
| Total BMD (mgHA/cm3) | 295.95 | 67.08 | 295.05 | 59.35 | 0.934 |
| Trabecular vBMD (mgHA/cm3) | 149.62 | 39.62 | 142.75 | 41.17 | 0.321 |
| BV/TV (%) | 0.12 | 0.03 | 0.12 | 0.03 | 0.319 |
| Trabecular inhomogeneity (Tb.1/N.SD; mm) | 0.29 | 0.21 | 0.33 | 0.22 | 0.368 |
| Cortical area (mm2) | 48.88 | 8.26 | 48.73 | 7.64 | 0.915 |
| Cortical vBMD (mgHA/cm3) | 847 | 56.1 | 863.29 | 59.37 | 0.101 |
| Cortical perimeter (mm) | 68.8 | 10.67 | 66.76 | 5.04 | 0.145 |
| Cortical thickness (mm) | 0.81 | 0.16 | 0.82 | 0.15 | 0.748 |
| Cortical porosity (%) | 0.025 | 0.013 | 0.02 | 0.009 | 0.011 |
| Ultimate load (N) | −2,859.75 | 551.01 | −2901.77 | 541.36 | 0.654 |
| Trabecular load vs. whole bone load (distal) | 0.44 | 0.07 | 0.44 | 0.1 | 0.952 |
| Trabecular load vs. whole bone load (proximal) | 0.16 | 0.06 | 0.16 | 0.06 | 0.656 |
| Trabecular Von Mises stress (MPa) | 42.42 | 6.29 | 43.61 | 7.24 | 0.31 |
| Cortical Von Mises stress (MPa) | 78.92 | 3.81 | 79.99 | 3.55 | 0.092 |
| Serum | |||||
| P1NP (µg/L) | 55.77 | 23.87 | 56.17 | 18.39 | 0.897 |
| CTX (pmol/L) | 4,141.05 | 2,379.15 | 4,332.82 | 1,836.07 | 0.527 |
| BAP (µg/L) | 12.25 | 4.12 | 11.71 | 3.6 | 0.334 |
| Sclerostin (ng/ml) | 0.64 | 0.15 | 0.6 | 0.15 | 0.062 |