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Table 2 Compared characteristics (translation and pronosupination)

From: Radioulnar joint reconstruction: a novel surgical technique and biomechanical assessment for chronic instability

Compared characteristics

Mean (SD)

p value*

Median

(IIQ)

p value**

Min; Max

Dorsal translation – intact TFC (mm)

3.38 (0.9)

< 0.001

3 (1)

0.012

2; 5

Dorsal translation without TFC (mm)

25.38 (9.4)

 

23.5 (14)

 

14; 40

Mean difference (without TFC – with FCT)

22.00 (9.1)

    

Dorsal post-surg translation (mm)

6.25 (1.3)

< 0.001

6 (2.5)

0.011

5; 8

Dorsal translation without TFC (mm)

25.38 (9.4)

 

23.5 (14)

 

14; 40

Mean difference (without TFC – post-surg)

19.13 (9.6)

    

Dorsal translation – intact TFC (mm)

3.38 (0.9)

< 0.001

3 (1)

0.016

2; 5

Dorsal post-surg translation (mm)

6.25 (1.3)

 

6 (2.5)

 

5; 8

Mean difference (post-surg – with TFC)

2.87 (1.4)

    

Volar translation – intact TFC (mm)

4.5 (1.8)

< 0.001

4 (2.5)

0.012

3; 8

Volar translation without TFC (mm)

26.13 (8.0)

 

25.5 (7)

 

12; 40

Mean difference (without TFC – with TFC)

21.63 (9.1)

    

Volar translation post-surg (mm)

6.75 (0.9)

< 0.001

7 (0.5)

0.012

5; 8

Volar translation without TFC (mm)

26.13 (8.0)

 

25.5 (7)

 

12; 40

Mean difference (post-surg – without TFC)

19.38 (8.3)

    

Volar translation – intact TFC (mm)

4.5 (1.8)

0.004

4 (2.5)

0.016

3; 8

Volar post-surg translation (mm)

6.75 (0.9)

 

7 (0.5)

 

5; 8

Mean difference (post-surg – intact TFC)

2.25 (1.5)

    

Pre-surgical supination (degrees)

59.5 (13.0)

0.453

59 (24.5)

0.362

45; 76

Post-surgical supination (degrees)

57.9 (15.6)

 

53.5 (28.5)

 

39; 78

Mean difference (post-surg– pre-surg)

−1.6 (5.8)

    

Pre-surgical pronation (degrees)

63.4 (6.7)

0.285

62.5 (7)

0.204

54; 76

Post-surgical pronation (degrees)

59.8 (8.7)

 

57 (15.5)

 

49; 72

Mean difference (post-surg– pre-surg)

−2.6 (6.4)

    
  1. SD Standard deviation.
  2. TFC Triangular fibrocartilage complex.