Table I.
Biomechanical characteristics of both fixation constructs
| IMHS | CKW | ||||
|---|---|---|---|---|---|
| Parameter | Mean (SD) | Range | Mean (SD) | Range | P-Value |
| Stiffness (N/mm) | 11.3 (3.4) | 5.8 - 16.2 | 17.7 (7.8) | 5.9 - 30.1 | 0.02 |
| Load-to-Failure (N) | 70.6 (30.1) | 32.8 - 123.8 | 97.5 (34.7) | 41.8 - 157.5 | 0.06 |
| Maximum Displacement (mm) | 20.2 (4.6) | 11.5 - 26.4 | 24.1 (3.7) | 19 - 30 | 0.04 |
| Energy Absorption (Nmm) | 778.3 (528.9) | 272.9 – 1,790.5 | 1,095.9 (454.4) | 397.8 – 1,933.3 | 0.14 |
IMHS, intramedullary headless screw; CKW, crossed K-wires; N, newtons; mm, millimeters; SD, standard deviation