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Table 5 Absolutes Differences in Internal Torsion, Lateral 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
Anterior Cortical Thickness
 ACT Mean 0.38 mm 0.75 mm 1.25 mm 1.89 mm 2.13 mm 2.16 mm 2.36 mm <  0.001
 ACT SD 0.94 mm 0.54 mm 0.87 mm 0.94 mm 1.04 mm 1.14 mm 1.41 mm  
 ACT Visibility 15.79% 52.63% 68.42% 84.21% 88.89% 100% 89.47%  
 ACT Pos. Difference 36.84% 10.53% 15.79% 15.79% 5.56% 10.53% 21.05%  
Posterior Cortical Thickness
 PCT Mean 0.17 mm 0.78 mm 1.08 mm 1.65 mm 1.85 mm 1.85 mm 1.78 mm <  0.001
 PCT SD 0.32 mm 0.74 mm 0.98 mm 1.07 mm 1.14 mm 1.35 mm 1.04 mm  
 PCT Visibility 10.53% 47.37% 63.16% 73.68% 88.89% 84.21% 78.95%  
 PCT Pos. Difference 47.37% 21.05% 15.79% 10.53% 11.11% 5.26% 15.79%  
Diameter Lateral
 Dia.lat Mean 0.41 mm 1.16 mm 2.15 mm 2.85 mm 3.19 mm 3.18 mm 3.42 mm <  0.001
 Dia.lat SD 0.52 mm 0.69 mm 1.17 mm 1.34 mm 1.79 mm 1.79 mm 1.86 mm  
 Dia.lat Visibility 21.05% 73.68% 89.47% 100% 88.89% 100% 100%  
 Dia.lat Pos. Difference 73.68% 10.53% 5.26% 5.26% 5.56% 5.26% 5.26%  
  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