Tissue group | n | Median age (years) | History | Prior treatment | Median OSS |
Healthy | 6 | 24 (range: 19–26) | Shoulder instability | N/A | 33 (range: 11–44) |
Diseased | 13 | 45 (range: 36–62) | Painful tendinopathy | N/A | 30 (range: 16–36) |
Pain-free post-treatment | 5 | 57 (range: 43–72) | Painful tendinopathy | SAD | 48 (range: 45–48) |
N/A, not available; OSS, Oxford Shoulder Score, SAD, subacromial decompression.