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Table 3 Radiographic outcome

From: Is coracoclavicular reconstruction necessary in hook plate fixation for acute unstable acromioclavicular dislocation?

  HP(19) HM(19) P value
Preop rCCD
 Absolute ACD (mm) 11.57 ± 5.21 10.33 ± 2.86  
 Absolute CCD (mm) 24.63 ± 4.97 22.96 ± 4.14  
 Relative CCD(%) 247.31 ± 98.05 234.60 ± 62.11 0.795
Postop rCCD
 Absolute ACD (mm) 19.41 ± 9.00 18.40 ± 9.82  
 Absolute CCD (mm) 11.20 ± 6.63 11.10 ± 7.37  
 Relative CCD(%) 56.34 ± 12.82 57.99 ± 12.21 0.773
p value (postop-preop) < 0.001 < 0.001  
Correct rCCD(%) 190.97 ± 98.9 176.61 ± 64.58 0.885
Postop 1 month rCCD
 Absolute ACD (mm) 17.73 ± 9.03 12.64 ± 6.50  
 Absolute CCD (mm) 12.32 ± 6.96 7.91 ± 4.98  
 Relative CCD(%) 70.80 ± 21.80 62.66 ± 15.66 0.212
Postop 3 months rCCD
 Absolute ACD (mm) 15.93 ± 9.43 13.38 ± 6.00  
 Absolute CCD (mm) 12.67 ± 7.41 9.19 ± 4.32  
 Relative CCD(%) 82.96 ± 22.57 69.80 ± 13.26 0.050*
Postop 6 months rCCD
 Absolute ACD (mm) 14.37 ± 8.01 14.48 ± 5.76  
 Absolute CCD (mm) 13.33 ± 6.59 11.63 ± 5.45  
 Relative CCD(%) 97.59 ± 19.87 79.29 ± 15.51 0.004*
Postop 1 year rCCD
 Absolute ACD (mm) 13.24 ± 8.80 12.20 ± 4.31  
 Absolute CCD (mm) 14.36 ± 7.91 10.6 ± 2.70  
 Relative CCD(%) 100.75 ± 48.70 91.47 ± 27.47 0.015*
∆rCCD
 ∆ rCCD(1 M) 14.46 ± 20.16 4.67 ± 10.92 0.172
 ∆ rCCD(3 M) 26.62 ± 23.21 11.8 ± 11.4 0.053
 ∆ rCCD(6 M) 41.24 ± 20.90 21.30 ± 11.11 0.006*
 ∆rCCD(1Y) 45.76 ± 50.43 31.14 ± 19.36 0.034*
p value (Postop 1y-preop) < 0.001 < 0.001  
Complication
 Infection 0 0 1
 Acromion osteolysis 10 3 0.038*
 Distal clavicle osteolysis 2 1 0.547
  1. *Statistically significant; rCCD means postop (month) rCCD minus postop rCCD