From: The association between acromial anatomy and articular-sided partial thickness of rotator cuff tears
 | Group 1 | Group 2 | P value |
---|---|---|---|
Acromion type(n,%) | Â | Â | 0.532 |
 I | 25(27.5 %) | 34(37.4 %) |  |
 II | 48(45.0 %) | 42(46.2 %) |  |
 III | 12(13.2 %) | 9(9.90 %) |  |
 IV | 6(6.60 %) | 6(6.60 %) |  |
CSA(°) | 35.5 ± 4.07 | 33.7 ± 3.96 | 0.003 |
AI | 0.683 ± 0.09 | 0.644 ± 0.08 | 0.002 |
LAA(°) | 78.3 ± 4.97 | 79.5 ± 5.43 | 0.108 |
AHD(mm) | 9.35 ± 1.29 | 9.13 ± 1.49 | 0.277 |