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Grade of MRI findings of rotator cuff tendon.
| Time | Grade of MRI in group A (n = 22) | Grade of MRI in group B (n = 22) | p value† | ||||||
|---|---|---|---|---|---|---|---|---|---|
| I | II | III | IV | I | II | III | IV | ||
| Baseline | 0 | 4 | 16 | 2 | 0 | 6 | 15 | 1 | p = 0.394 |
| 6 months | 4 | 12 | 6 | 0 | 2 | 6 | 14 | 0 | p = 0.024 |
| 12 months | 8 | 14 | 0 | 0 | 4 | 13 | 5 | 0 | p = 0.032 |
MRI: magnetic resonance imaging. † Mann-Whitney U-test.
