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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