Skip to main content

Table 3 Comparison of demographic, clinical and radiological outcomes between groups

From: The frequency of reduction loss after arthroscopic fixation of acute acromioclavicular dislocations using a double-button device, and its effect on clinical and radiological results

 

Group A (n = 27)

Group B (n = 9)

p

Mean ± sd/n (%)

Median

Mean ± sd/n (%)

Median

Age

 

29.89 ± 8.13

27.00

32.56 ± 5.13

33.00

0.133m

Sex

Female

3

11.1%

1

11.1%

0.999f

Male

24

88.9%

8

88.9%

Follow-up time

 

32.11 ± 6.49

30.00

29.33 ± 2.92

30.00

0.442m

Time from injury to surgery

 

6.70 ± 3.89

5.00

7.00 ± 3.94

7.00

0.825m

Return to work

 

10.59 ± 2.41

10.00

12.89 ± 3.62

12.00

0.068m

Rockwood classification

Type III

12

44.4%

2

22.2%

0.432f

Type V

15

55.6%

7

77.8%

Constant

      

 Preop

 

28.48 ± 7.99

27.00

25.67 ± 7.81

22.00

0.226m

 Last follow-up

 

92.48 ± 4.78

92.00

90.67 ± 4.03

92.00

0.329m

Last follow-up ACJI score

84.41 ± 7.99

86.00

68.33 ± 8.28

64.00

0.000m

CC distance

 Unaffected side

 

8.52 ± 0.64

8.00

9.00 ± 0.71

9.00

0.067m

 Preop

 

18.48 ± 3.69

19.00

19.44 ± 3.09

20.00

0.508m

 Early post-op

 

8.44 ± 0.64

8.00

8.56 ± 0.53

9.00

0.462m

 3 months

 

9.22 ± 0.80

9.00

11.89 ± 1.17

12.00

0.000m

 Last follow-up

 

9.63 ± 1.01

10.00

15.22 ± 1.56

15.00

0.000m

Compare unaffected side at last follow-up (%)

13.24 ± 10.60

12.50

70.02 ± 21.94

75.00

0.000m

Subjective evaluation

Good

4

14.8%

6

66.7%

0.006f

Excellent

23

85.2%

3

33.3%

Aesthetic subjective satisfaction

Poorly satisfied

0

0.0%

3

33.3%

0.012f

Satisfied + highly satisfied

27

100.0%

6

66.7%

  1. mMann-Whitney U Test
  2. fFisher’s Exact Test