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Table 2 Absolute Differences in External Torsion, Anteroposterior View

From: Radiographic cortical thickness parameters as predictors of rotational alignment in proximal tibial shaft fractures: a cadaveric study

  10° 15° 20° 25° 30° p-Value
Medial Cortical Thickness
 MCT Mean 0.1 mm 0.4 mm 0.8 mm 1.04 mm 1.27 mm 1.61 mm 1.99 mm <  0.001
 MCT SD 0.13 mm 0.4 mm 0.76 mm 0.84 mm 0.85 mm 0.94 mm 1.42 mm  
 MCT Visibility1 0% 15.79% 47.37% 57.89% 68.42% 84.21% 68.42%  
 MCT Pos. Difference1 31.58% 36.84% 26.32% 15.79% 21.05% 21.05% 21.05%  
Lateral Cortical Thickness
 LCT Mean 0.15 mm 1.29 mm 2.27 mm 2.95 mm 3.64 mm 4.19 mm 4.4 mm <  0.001
 LCT SD 0.23 mm 1.11 mm 1.29 mm 1.51 mm 1.84 mm 1.97 mm 2.1 mm  
 LCT Visibility1 10.53% 68.42% 89.47% 100% 100% 100% 100%  
 LCT Pos. Difference2 47.37% 5.26% 0% 0% 0% 0% 0%  
Diameter
 Dia.ap Mean 0.81 mm 1.59 mm 2.52 mm 3.88 mm 5.06 mm 5.64 mm 6.02 mm <  0.001
 Dia.ap SD 0.83 mm 1.07 mm 1.35 mm 1.67 mm 1.87 mm 2.04 mm 2.61 mm  
 Dia.ap Visibility1 47.37% 78.95% 94.74% 100% 100% 100% 100%  
 Dia.ap Pos. Difference2 63.16% 31.58% 10.53% 5.26% 5.26% 5.26% 10.53%  
  1. 1 Visibility is given if the absolute difference exceeds 0.6 mm
  2. 2 A positive difference is equivalent to a greater proximal value compared to the distal value