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Patient demographics and rotator cuff tear size.
| Tear size | Control | Small (<1 cm2) | Medium (>1–3 cm2) | Large (>3–5 cm2) | Massive (>5 cm2) |
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| |||||
| Number of cases | 10 | 6 | 6 | 3 | 3 |
| Male : female ratio | 8 : 2 | 4 : 2 | 3 : 3 | 2 : 1 | 1 : 2 |
| Mean age in years (range) | 35 (20–41) | 55 (39–60) | 58 (48–64) | 54 (47–60) | 66 (50–78) |
| Mean duration of symptoms in months (range) | 6.2 (1–14) | 8.1 (2–18) | 6.8 (3–12) | 9.8 (4–22) | 6.9 (2–15) |
| Mean number of steroid injections | 0 | 1.6 | 1.2 | 1.3 | 1.8 |
