Table 1.
Parameters | Non-Orx | Orx | Orx+T-th | Orx+EN-th | Orx+T-pr | Orx+EN-pr | ||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
Mean food intake (g/rat/day) | 29 | 5 | 28 | 6 | 30 | 5 | 29 | 4 | 28 | 6 | 29 | 6 |
Mean BW (g) | 712 | 36 | 654a | 41 | 666a | 31 | 650a | 31 | 649a | 34 | 664a | 37 |
Mean T or EN dose (mg/kg BW/day) | 36 | 9 | 0.30 | 0.02 | 43 | 8 | 0.36 | 0.05 | ||||
Serum | ||||||||||||
OC (ng/mL) | 175 | 24 | 208 | 54 | 200 | 33 | 123bd | 27 | 183 | 32 | 139bd | 26 |
ALP (U/L) | 175 | 57 | 134 | 38 | 147 | 35 | 194 | 43 | 151 | 28 | 173 | 71 |
CTX-I (ng/mL) | 17 | 3 | 18 | 4 | 19 | 3 | 17 | 1 | 20 | 2 | 17 | 4 |
Magnesium (mmol/L) | 0.74 | 0.10 | 0.68 | 0.07 | 0.75 | 0.08 | 0.70 | 0.05 | 0.77 | 0.06 | 0.74 | 0.07 |
Calcium (mmol/L) | 2.17 | 0.20 | 2.06 | 0.16 | 2.21 | 0.22 | 2.03 | 0.11 | 2.28 | 0.12 | 2.16 | 0.14 |
Phosphor (mmol/L) | 1.84 | 0.26 | 1.56 | 0.19 | 1.69 | 0.24 | 1.79 | 0.22 | 1.99b | 0.25 | 2.03b | 0.27 |
Weights | ||||||||||||
BW (g) | 727 | 78 | 642 | 69 | 678 | 122 | 629 | 73 | 659 | 80 | 667 | 105 |
Levator ani (g) | 0.64 | 0.25 | 0.31a | 0.08 | 0.32a | 0.05 | 0.57b | 0.08 | 0.37a | 0.11 | 0.54b | 0.12 |
Prostata (g) | 1.22* | 0.30 | 0.18 | 0.07 | 0.19 | 0.07 | 0.39 | 0.08 | 0.34 | 0.13 | 0.62bcd | 0.13 |
M. gastrocnemius (g) | 3.2 | 0.5 | 2.8 | 0.5 | 3.0 | 0.6 | 3.1 | 0.4 | 2.9 | 0.6 | 2.9 | 0.6 |
M. soleus (g) | 0.29 | 0.05 | 0.27 | 0.05 | 0.27 | 0.03 | 0.30 | 0.04 | 0.26 | 0.07 | 0.26 | 0.06 |
Biomechanics | ||||||||||||
Stiffness (N/mm) | 75 | 29 | 75 | 32 | 82 | 41 | 66 | 35 | 64 | 28 | 82 | 41 |
Yield load (N) | 56 | 30 | 44 | 14 | 63 | 17 | 79 | 44 | 57 | 24 | 73 | 42 |
Microradiography | ||||||||||||
Dorsal | ||||||||||||
Ct.Wi.d (mm) | 0.58 | 0.11 | 0.49 | 0.17 | 0.67b | 0.18 | 0.53 | 0.08 | 0.64b | 0.21 | 0.52 | 0.10 |
Ct.Dn.d (%) | 99.4 | 0.5 | 99.0 | 1.1 | 99.5 | 0.8 | 98.8 | 0.8 | 99.3 | 0.7 | 99.2 | 0.5 |
Cl.Wi.d (mm) | 0.92 | 0.41 | 0.70 | 0.32 | 0.89 | 0.48 | 0.99 | 0.58 | 1.1 | 0.50 | 0.80 | 0.43 |
Cl.Dn.d (%) | 67.6 | 17.5 | 61.6 | 16.0 | 60.2 | 12.9 | 52.7a | 13.8 | 58.2 | 11.9 | 65.0 | 18.0 |
Endosteal | ||||||||||||
Cl.Dn.e (%) | 88.7 | 3.9 | 76.1 | 10.8 | 69.6a | 15.1 | 67.4a | 13.9 | 70.5a | 14.3 | 69.9a | 15.9 |
Fluorescence analysis | ||||||||||||
The time of the first bridging (day) | 27 | 7 | 26 | 9 | 26 | 6 | 34 | 8 | 29 | 9 | 27 | 8 |
*Differs from all other groups
aDiffers from Non-Orx
bDiffers from Orx
cDiffers from Orx+T-pr
dDiffers from Orx+T-th (Tukey test, p < 0.05)