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Results of supraspinatus fatty infiltration grading
| Fatty infiltration grade | Preoperative frequency | Percent | Postoperative frequency | Percent |
|---|---|---|---|---|
| 0 | 4 | 6 | 11 | 17 |
| 1 | 38 | 58 | 45 | 69 |
| 2 | 21 | 32 | 9 | 14 |
| 3 | 2 | 3 |
| Preoperative mean grade (95% CI) | Postoperative mean grade (95% CI) | Difference (95% CI) | p value |
|---|---|---|---|
| 1.3 (0.1–0.5) | 1.0 (0.8–1.1) | −0.3 (−0.4 to −0.1) | 0.005 |
CI = confidence interval.
