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Results of infraspinatus atrophy grades
| Atrophy grade | Preoperative frequency | Percent | Postoperative frequency | Percent |
|---|---|---|---|---|
| 1 | 56 | 96 | 53 | 98 |
| 2 | 1 | 2 | 1 | 2 |
| 3 | 1 | 2 | 0 | 0 |
| Preoperative mean grade (95% CI) | Postoperative mean grade (95% CI) | Difference (95% CI) | p value |
|---|---|---|---|
| 1.0 (0.9–1.1) | 1.0 (0.9–1.0) | −0.03 (−0.1 to 0.03) | 0.322 |
CI = confidence interval.
