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Table 1 Subsidence distance during the axial compression test up to 3 kN, torsional stiffness with torque from 5 to 65 Nm under the rotational test, and internally rotated angle at torque of 70 Nm with 3 kN of compressive load

From: Effects of femoral bone defect morphology on initial polished tapered stem stability in massive defect model: a biomechanical study

Defect morphology (length × width) (cm) (area) (mm2) Control (none) (0) Long (5 × 2) (1000) Short (2.5 × 2) (500) Square (3.2 × 3.2) (1024) Square with Mesh (3.2 × 3.2) (1024) P value
Subsidence distance (mm) 2.6 ± 0.1
(2.4 to 2.8)
2.5 ± 0.1
(2.4 to 2.6)
2.5 ± 0.1
(2.4 to 2.7)
2.6 ± 0.3
(2.3 to 2.9)
2.5 ± 0.3
(2.2 to 2.9)
0.97
Torsional stiffness (Nm/deg.) 4.8 ± 0.3
(4.5 to 5.2)
4.4 ± 0.3*
(4.0 to 4.7)
4.5 ± 0.2
(4.3 to 4.8)
4.3 ± 0.3*
(4.0 to 4.7)
4.6 ± 0.2
(4.4 to 4.8)
0.03
Internally rotated angle (deg.) 15.0 ± 1.2
(13.5 to 16.4)
15.4 ± 0.6
(14.6 to 16.2)
15.7 ± 0.4
(15.2 to 16.2)
15.7 ± 0.5
(15.2 to 16.3)
15.1 ± 0.4
(14.7 to 15.6)
0.29
  1. Values are expressed as mean ± SD with 95% confidence interval in parentheses; * significant compared with the Control group.