Table 4.
Proximal tibia |
Lumbar vertebra |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
BS (mm2) | BV/TV (%) | Tb.N (1/mm) | Tb.TH (mm) | Tb.Sp (mm) | BS (mm2) | BV/TV (%) | Tb.N (1/mm) | Tb.TH (mm) | Tb.Sp (mm) | |
Sham | 228.8 ± 9.4 | 51.7 ± 2.3 | 5.0 ± 0.1 | 0.10 ± 0.004 | 0.10 ± 0.01 | 89.9 ± 2.7 | 44.2 ± 1.2 | 4.1 ± 0.1 | 0.11 ± 0.001 | 0.14 ± 0.01 |
OVX | 55.0 ± 7.7** | 7.6 ± 1.0*** | 1.2 ± 0.2*** | 0.06 ± 0.001*** | 0.86 ± 0.14*** | 62.6 ± 5.2** | 20.9 ± 1.6*** | 2.6 ± 0.2*** | 0.08 ± 0.001*** | 0.31 ± 0.03*** |
E2 | 155.1 ± 10.3∧∧ | 25.5 ± 2.3∧∧∧ | 3.4 ± 0.2∧∧∧ | 0.08 ± 0.002∧ | 0.21 ± 0.01∧∧∧ | 90.4 ± 3.3∧∧ | 35.0 ± 1.0∧∧∧ | 3.7 ± 0.1∧∧∧ | 0.09 ± 0.002∧∧ | 0.18 ± 0.01∧∧∧ |
Tamo | 128.5 ± 10.7∧∧ | 20.7 ± 2.1∧∧ | 2.9 ± 0.2∧∧∧ | 0.07 ± 0.003 | 0.29 ± 0.03∧∧∧ | 89.7 ± 5.9∧ | 36.6 ± 1.4∧∧∧ | 3.7 ± 0.1∧∧∧ | 0.10 ± 0.002∧∧∧ | 0.18 ± 0.01∧∧∧ |
Ralo | 117.3 ± 6.1∧∧ | 19.9 ± 1.5∧ | 2.9 ± 0.1∧∧∧ | 0.07 ± 0.004 | 0.29 ± 0.02∧∧∧ | 93.0 ± 4.7∧ | 37.5 ± 1.1∧∧∧ | 3.7 ± 0.1∧∧∧ | 0.10 ± 0.002∧∧∧ | 0.17 ± 0.01∧∧∧ |
DBT | 110.4 ± 18.6 | 17.2 ± 4.7 | 2.5 ± 0.3∧∧∧ | 0.07 ± 0.004 | 0.42 ± 0.06∧∧∧ | 81.3 ± 4.8∧ | 30.7 ± 1.9∧∧ | 3.4 ± 0.1∧∧∧ | 0.09 ± 0.004 | 0.21 ± 0.01∧∧∧ |
DBT+Tamo | 129.4 ± 9.7∧∧ | 21.4 ± 2.5∧∧ | 3.1 ± 0.2∧∧∧ | 0.07 ± 0.003 | 0.26 ± 0.02∧∧∧ | 90.8 ± 5.6∧∧ | 36.1 ± 2.1∧∧∧ | 3.6 ± 0.1∧∧∧ | 0.01 ± 0.003∧∧∧ | 0.18 ± 0.01∧∧∧ |
DBT+Ralo | 131.8 ± 10.1 | 22.4 ± 1.8∧∧ | 2.9 ± 0.2∧∧∧ | 0.077 ± 0.003∧ | 0.27 ± 0.02∧∧∧ | 81.4 ± 3.0∧ | 37.1 ± 1.0∧∧∧ | 3.5 ± 0.1∧∧∧ | 0.105 ± 0.002∧∧∧ | 0.18 ± 0.01∧∧∧ |
Two-factor ANOVA p-value | ||||||||||
Tamo | 0.0010 | 0.0059 | <0.0001 | 0.0364 | <0.0001 | 0.0021 | <0.0001 | <0.0001 | 0.0364 | <0.0001 |
DBT | 0.0329 | 0.0871 | 0.0041 | 0.1394 | 0.0070 | 0.0774 | 0.0138 | 0.0041 | 0.1394 | 0.0070 |
DBT × Tamo | 0.0385 | 0.1367 | 0.0296 | 0.2467 | 0.0171 | 0.1144 | 0.0070 | 0.0296 | 0.2467 | 0.0171 |
Ralo | 0.0014 | 0.0028 | <0.0001 | 0.0043 | 0.0001 | 0.0021 | <0.0001 | <0.0001 | 0.0043 | 0.0001 |
DBT | 0.0063 | 0.0316 | 0.0038 | 0.0247 | 0.0087 | 0.4365 | 0.0030 | 0.0038 | 0.0247 | 0.0087 |
DBT × Ralo | 0.0951 | 0.1949 | 0.0078 | 0.5882 | 0.0124 | 0.0022 | 0.0015 | 0.0078 | 0.5882 | 0.0124 |
∗∗p < 0.01, ∗∗∗p < 0.00‘ vs. sham; ∧p < 0.05, ∧∧p < 0.01, ∧∧∧p < 0.001 vs. OVX. Results are expressed as mean ± SEM, n = 7–9 rats per group. BS, bone surface; Tb.N, trabecular bone number; Tb.Th, trabecular bone thickness; Tb.Sp, trabecular bone separation; Tamo, tamoxifen; Ralo, raloxifene.