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Table 2 Biomechanical results comparing 75 to 100 % distal screw lengths

From: The influence of distal screw length on the primary stability of volar plate osteosynthesis—a biomechanical study

Parameter

Parameter

Group

Mean

SD

Sig.

Load-displacement curves

Stiffness [N/mm]

A (100 %)

706

103

0.412

B (75 %)

660

124

Elastic limit [N]

A (100 %)

177

25

0.496

B (75 %)

167

36

MaxForce [N]

A (100 %)

493

139

0.750

B (75 %)

471

149

Zebris

Residual tilt [degree]

A (100 %)

7.3

0.7

0.755

B (75 %)

7.1

1.3

  1. MaxForce: Maximum force as defined as the force when the slope of the tangent line dropped below 0.95 % of the stiffness; A: 100 % unicortical distal screw length (group A); B: 75 % distal screw length (group B)
  2. SD standard deviation, Sig. adjusted (Bonferroni) level of significance 0.0125