Table 3 Functional results at the last follow-up according to the CMS

Pain (0–15)

13.6 ± 2.8

13.9 ± 2.6

0.7145

Activity (0–20)

9.1 ± 1.9

8.8 ± 2.3

0.6396

 Abduction

6.7 ± 1.5

9.3 ± 1.2*

0.0000

 Anterior elevation

7.4 ± 1.3

8.9 ± 1.2*

0.0003

 External rotation with elbow at the side

7.5 ± 1.5

9.7 ± 0.7*

0.0000

 Internal rotation in abduction

7.7 ± 1.0

8.9 ± 0.9*

0.0001

Strength (0–25)

16.5 ± 3.4

23.9 ± 2.0*

0.0000