| Ultrasound findings | Cases (n=735) | Controls (n=450) |
|---|---|---|
| Long head of biceps tendon | 283 (38.5%) | 12 (2.6%) |
| Supraspinatus tendon | 447 (60.0%) | 20 (4.4%) |
| Infraspinatus tendon | 25 (3,4%) | 2 (0,44%) |
| Subscapularis tendon | 55 (7.4%) | 0 (0.0%) |
| Acromioclavicular joint | 562 (76.4%) | 30 (6.6%) |
| Glenohumeral joint | 58 (7.8) | 0 (0.0%) |
| Subacromial or subscapularis bursae | 142 (19.3%) | 0 (0.0%) |
| Rotator cuff tendon tear | 51 (6,9%) | 0 (0.0%) |