Table 2.
Microcomputed tomography results.
| MicroCT | C (n = 5) | R (n = 5) | H (n = 5) |
|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | |
| ROI1–Femoral head | |||
| TV (mm3) | 1.43 ± 0.15 | 1.55 ± 0.36 | 1.51 ± 0.2 |
| BV (mm3) | 1.04 ± 0.06 | 1.00 ± 0.28 | 0.91 ± 0.07 |
| BV/TV (%) | 73.71 ± 6.23 | 63.84 ± 4.94 | 61.12 ± 6.7 a |
| TS (mm2) | 8.88 ± 0.78 | 9.89 ± 0.8 | 9.37 ± 0.8 |
| BS (mm2) | 20.15 ± 3.54 | 23.28 ± 2.95 | 22.11 ± 2.85 |
| Tb.Th (mm) | 0.16 ± 0.02 | 0.14 ± 0.02 | 0.13 ± 0.01 |
| Tb.N (mm) | 4.67 ± 0.32 | 4.75 ± 0.57 | 4.55 ± 0.33 |
| Tb.Sp (mm) | 0.11 ± 0.01 | 0.12 ± 0.01 | 0.13 ± 0.02 a |
| Conn.Dn (mm3) | 85.45 ± 27.26 | 131.14 ± 48.35 | 104.68 ± 17.15 |
| ROI2–Femoral neck | |||
| TV (mm3) | 0.83 ± 0.28 | 0.8 ± 0.14 | 0.72 ± 0.11 |
| BV (mm3) | 0.4 ± 0.15 | 0.34 ± 0.03 | 0.3 ± 0.06 |
| BV/TV (%) | 48.31 ± 7.58 | 43.48 ± 4.72 | 40.99 ± 6.53 |
| TS (mm2) | 8.0 ± 2.0 | 7.37 ± 0.4 | 6.77 ± 0.5 |
| BS (mm2) | 11.80 ± 4.43 | 11.58 ± 0.88 | 9.55 ± 1.29 |
| Tb.Th (mm) | 0.12 ± 0.01 | 0.11 ± 0.01 | 0.11 ± 0.01 |
| Tb.N (mm) | 3.95 ± 0.48 | 3.95 ± 0.53 | 3.62 ± 0.36 |
| Tb.Sp (mm) | 0.18 ± 0.02 | 0.18 ± 0.04 | 0.20 ± 0.02 |
| Conn.Dn (mm3) | 106.29 ± 25.53 | 139.83 ± 27.26 | 103.34 ± 20.21 |
| Cortical | |||
| Ct.BV (mm3) | 4.63 ± 0.25 | 4.35 ± 0.17 | 4.22 ± 0.29 |
| Ct.BV/TV (%) | 38.1 ± 4.3 | 29.96 ± 3.19 | 31.24 ± 6.47 |
| Tt.Ar (mm2) | 43.86 ± 2.22 | 48.54 ± 4.96 | 48.46 ± 11.8 |
| Ct.Ar (mm2) | 28.6 ± 0.86 | 27.7 ± 0.82 | 27.33 ± 1.38 |
| Ct.Th (mm) | 0.56 ± 0.02 | 0.55 ± 0.03 | 0.52 ± 0.02 a |
| Total porosity(%) | 61.9 ± 4.3 | 70.04 ± 3.19 | 68.76 ± 6.47 |
| Vertebra | |||
| TV (mm3) | 4.47 ± 0.41 | 5.05 ± 0.69 | 4.67 ± 1.05 |
| BV (mm3) | 1.48 ± 0.28 | 1.54 ± 0.49 | 1.22 ± 0.27 |
| BV/TV (%) | 33.14 ± 6.87 | 29.9 ± 5.39 | 26.46 ± 3.44 |
| TS (mm2) | 18.61 ± 1.43 | 19.74 ± 1.77 | 18.81 ± 3.55 |
| BS (mm2) | 47.36 ± 5.59 | 54.25 ± 16.4 | 46.56 ± 10.62 |
| Tb.Th (mm) | 0.11 ± 0.01 | 0.10 ± 0.0 | 0.09 ± 0.00 a |
| Tb.N (mm) | 3.11 ± 0.42 | 3.1 ± 0.57 | 2.93 ± 0.28 |
| Tb.Sp (mm) | 0.26 ± 0.03 | 0.26 ± 0.04 | 0.27 ± 0.02 |
| Conn.Dn (mm3) | 96.49 ± 16.48 | 95.46 ± 32.87 | 83.8 ± 17.67 |
C: control group, R: caloric restriction (30%), and H: caloric restriction (30%) + high-protein (40%) diets offered during the 8 wk of the experiment. Abbreviations: BV/TV, bone volume fraction; BS/TV, bone surface density; BS/BV, bone surface/volume ratio; Tb.N, trabecular number; Tb.Sp, trabecular separation; Tb.Th, trabecular thickness; Nob/Tar, osteoblasts number; Noc/Tar, osteoclasts number; N.Ad/T.Ar, number of adipocytes per area; N.Ad/B.Pm, number of adipocytes per perimeter.
ameans difference between C group, p < .05.