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Table 3 Number of patients receiving single-tunnel vs. two-tunnel techniques, subdivided by augmentation type, with clinical outcome results based on modification of the UCLA rating scale

From: Comparison of single and two-tunnel techniques during open treatment of acromioclavicular joint disruption

UCLA rating scale Single-tunnel (n = 11) Two-tunnel (n = 10)*
With augment Without augment^ ST-tightrope ST-ST#
Excellent 1 1 1 2
Good 0 0 2 2
Fair 2 1 1 1
Poor 3 3 0 1
Total 6 5 4 6
N(%) with excellent or good 1 (17%) 1 (20%) 3 (75%) 4 (67%)
  1. *Two-tunnel group had significantly higher percentage of good-to-excellent outcomes than single-tunnel group, p = 0.03.
  2. ^No significant difference between with vs. without augmentation for single-tunnel group, p > 0.99.
  3. #No significant difference between ST-tightrope vs. ST-ST for two-tunnel group, p > 0.99.