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Table 4 Absolute Differences in Internal 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 0.72 mm 0.67 mm 0.84 mm 0.92 mm 1.03 mm 0.009
 MCT SD 0.13 mm 0.5 mm 0.58 mm 0.79 mm 0.96 mm 0.97 mm 1.24 mm  
 MCT Visibility 0% 15.79% 36.84% 36.84% 44.44% 57.89% 52.63%  
 MCT Pos. Difference 31.58% 42.11% 57.89% 57.89% 55.56% 47.37% 52.63%  
Lateral Cortical Thickness
 LCT Mean 0.15 mm 0.85 mm 1.45 mm 1.52 mm 1.09 mm 1.61 mm 1.84 mm <  0.001
 LCT SD 0.23 mm 0.72 mm 0.86 mm 0.87 mm 0.9 mm 1.2 mm 1.28 mm  
 LCT Visibility 10.53% 47.37% 78.95% 84.21% 55.56% 68.42% 78.95%  
 LCT Pos. Difference 47.37% 57.89% 57.89% 63.16% 50% 52.63% 57.89%  
Diameter A.P.
 Dia.ap Mean 0.81 mm 2.12 mm 2.89 mm 3.11 mm 3.63 mm 3.49 mm 3.65 mm <  0.001
 Dia.ap SD 0.83 mm 1.29 mm 1.55 mm 1.74 mm 1.79 mm 2.01 mm 1.99 mm  
 Dia.ap Visibility 47.37% 94.74% 100% 89.47% 94.44% 94.74% 94.74%  
 Dia.ap Pos. Difference 63.16% 100% 94.74% 94.74% 94.44% 89.47% 89.47%  
  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