Prevalence of alterations of the single structures studied
| Cases (n = 528) | Controls (n = 396) | p | |
|---|---|---|---|
| Long head of biceps tendon | 254 (48.1%) | 8 (2.0%) | < 0.00001 |
| Supraspinatus tendon | 314 (64.6%) | 15 (3.8%) | < 0.00001 |
| Infraspinatus tendon | 89 (16.8%) | 1 (0.25%) | < 0.00001 |
| Subscapularis tendon | 23 (4.3%) | 0 (0.0%) | < 0.00001 |
| Acromionclavicular joint | 270 (51.5%) | 11 (2.8%) | < 0.00001 |
| Glenohumeral joint | 59 (11.2%) | 0 (0.0%) | < 0.00001 |
| Subacromial or subscapularis bursae | 85 (16.1%) | 0 (0.0%) | < 0.00001 |