Factors determining the short-term clinical outcomes of conservative treatment in patients with supraspinatus tear - Factors determining the short-term clinical outcomes of conservative treatment in patients with supraspinatus tear

The average Western Ontario rotator cuff index score improved from 1067 pre-treatment to 997 post-treatment, but without a significant difference (p = 0.29). The multiple regression analysis revealed that supraspinatus tendon thickness and muscle strength in shoulder external rotation at 90 degrees scaption had a significant effect on the change in the Western Ontario rotator cuff index score. (R2 = 0.44, p < 0.01).