Table 1.
Torsional stiffness (Nm/deg) of all the animal's femora
| Sheep number | Osteotomized bone | Non operated bone | Difference | Percentual difference | ||
|---|---|---|---|---|---|---|
| Group 6 s | DCP + 6 s | 1 | 1.2450 | 1.8961 | 0.6511 | 65.7 |
| 2 | 1.9512 | 3.3641 | 1.4129 | 58.0 | ||
| 3 | 1.6870 | 2.4488 | 0.7618 | 68.9 | ||
| 4 | 0.9359 | 1.5825 | 0.6466 | 59.1 | ||
| Mean ± SD | 1.45 ± 0.45a | 2.32 ± 0.78 | ||||
| DCP + 6 s + 2SLE | 1 | 2.6340 | 1.8145 | −0.8195 | 145.2 | |
| 2 | 2.8822 | 1.8644 | −1.0178 | 154.6 | ||
| 3 | 2.9860 | 2.1230 | −0.8630 | 140.7 | ||
| 4 | 1.7810 | 1.1800 | −0.6010 | 150.9 | ||
| Mean ± SD | 2.57 ± 0.55*b | 1.75 ± 0.40 | ||||
| Group 8 s | DCP + 8 s | 1 | 1.4410 | 1.6611 | 0.2201 | 86.8 |
| 2 | 1.0790 | 1.3860 | 0.3070 | 77.9 | ||
| 3 | 1.6130 | 1.8819 | 0.2689 | 85.7 | ||
| 4 | 1.2360 | 1.4949 | 0.2589 | 82.7 | ||
| Mean ± SD | 1.34 ± 0.23c | 1.61 ± 0.22 | ||||
| DCP + 8 s + 2SLE | 1 | 2.2540 | 1.2710 | −0.9830 | 177.3 | |
| 2 | 1.8401 | 1.2000 | −0.6401 | 153.3 | ||
| 3 | 1.8880 | 1.0630 | −0.8250 | 177.6 | ||
| 4 | 2.5130 | 1.5670 | −0.9460 | 160.4 | ||
| Mean ± SD | 2.12 ± 0.32**d | 1.28 ± 0.21 |
Group DCP + 6 s: plate of 6 screws without SLE euthanized after 16 weeks; Group DCP + 6 s + 2SLE: plate of 6 screws with 2 SLE euthanized after 16 weeks; Group DCP + 8 s: plate of 8 screws without SLE euthanized after 8 weeks; Group DCP + 8 s + 2SLE: plate of 8 screws with 2 SLE euthanized after 8 weeks.
*p = 0.032 when comparing values of osteotomized bones of DCP + 6 s + 2SLE group with values of osteotomized bones of DCP + 6 s group (T test for unpaired samples).
**p = 0.002 when comparing values of osteotomized bones of DCP + 8 s + 2SLE group with values of osteotomized bones of DCP + 8 s group (T test for unpaired samples).
ap = 0.018 when comparing values of osteotomized bones with their contralateral non operated bones of DCP + 6 s group (T test for paired samples).
bp = 0.002 when comparing values of osteotomized bones with their contralateral non operated bones of DCP + 6 s + 2SLE group (T test for paired samples).
cp = 0.001 when comparing values of osteotomized bones with their contralateral non operated bones of DCP + 8 s group (T test for paired samples).
dp = 0.002 when comparing values of osteotomized bones with their contralateral non operated bones of DCP + 8 s + 2SLE group (T test for paired samples).