TABLE 2.
Displacement in internal and external rotation.
| Fixation | Rotation | Displacement under different torques (mm) | ||||
|---|---|---|---|---|---|---|
| 1 N | 2 N | 3 N | 4 N | 5 N | ||
| Intact | Internal | 6.227 ± 0.943 | 6.280 ± 0.940 | 6.316 ± 0.936 | 6.414 ± 0.905 | 6.635 ± 0.798 |
| External | 8.195 ± 0.484 | 8.255 ± 0.477 | 8.280 ± 0.544 | 8.346 ± 0.537 | 8.392 ± 0.513 | |
| Screw | Internal | 3.376 ± 0.395 a | 3.426 ± 0.400 a | 3.498 ± 0.382 a | 3.563 ± 0.380 a | 3.636 ± 0.420 a |
| External | 5.351 ± 0.384 a | 5.401 ± 0.393 a | 5.455 ± 0.391 a | 5.507 ± 0.389 a | 5.574 ± 0.396 a | |
| Novel EndoButton | Internal | 5.330 ± 0.923 a b | 6.440 ± 0.422 b | 6.584 ± 0.349 b | 6.717 ± 0.313 b | 6.780 ± 0.302 b |
| External | 7.033 ± 1.229 b | 7.342 ± 1.208 b | 7.472 ± 1.175 b | 7.668 ± 1.193 b | 7.864 ± 1.238 b | |
| Tightrope | Internal | 4.442 ± 0.116 a b | 4.451 ± 0.114 a b | 4.478 ± 0.118 a b | 4.524 ± 0.161 a b | 4.564 ± 0.198 a b |
| External | 7.152 ± 1.456 b | 7.229 ± 1.490 | 7.317 ± 1.484 b | 7.402 ± 1.507 b | 7.559 ± 1.561 b | |
a
Significant difference compared with the intact group (p < 0.05).
b
Significant difference compared with the screw group (p < 0.05).