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Progression of disease and surgery in asymptomatic and symptomatic shoulders
| Progression/surgery | Asymptomatic shoulders (n = 132) | Symptomatic shoulders (n = 83) | ||
|---|---|---|---|---|
| Stage I (n = 74) | Stage II (n = 58) | Stage I (n = 46) | Stage II (n = 37) | |
| Collapse of humeral head | 36 (49%) | 35 (60%) | 38 (83%) | 30 (81%) |
| Surgery | 25 (34%) | 28 (48%) | 19 (41%) | 21 (57%) |
| Shoulder arthroplasty | 4 (5%) | 7 (12%) | 11 (23%) | 10 (27%) |
