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Table 2 Clinical and radiological outcomes compared between groups divided according to acromion type at final follow-up

From: Effect of subacromial erosion shape on rotator cuff and clinical outcomes after hook plate fixation in type 5 acromioclavicular joint dislocations: a retrospective cohort study

  Type I (Simple groove, n = 13) Type II (Cave, n = 2) Type III (Marginal protrusion, n = 3) P-value
Functional score
 CMS 96.46 ± 5.55 97.00 ± 4.24 97.67 ± 1.15 0.933
 KSS 96.31 ± 6.21 98.00 ± 2.83 99.67 ± 0.58 0.275
 VAS 0.92 ± 1.04 1.50 ± 0.71 0.67 ± 0.58 0.335
Range of motion
 Forward elevation 152.31 ± 23.15 170.00 ± 14.14 153.33 ± 20.82 0.467
 Abduction 151.54 ± 24.10 170.00 ± 14.14 163.33 ± 5.77 0.318
 External rotation at side 58.46 ± 12.14 90.00 ± 0.00 66.67 ± 32.15 0.500
 CC distance (%) 10.52 ± 17.23 93.91 ± 125.43 48.01 ± 36.27 0.096
  1. CMS Constant-Murley score, KSS Korean Shoulder score, VAS visual analog score, CC coracoclavicular