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
2
Good
0
Fair
Poor
3
Total
6
5
4
N(%) with excellent or good
1 (17%)
1 (20%)
3 (75%)
4 (67%)