Table 1 Demographic characteristics and baseline assessments

No.

30

30

60

–

Age (mean ± SD, years)

56.1 ± 6.2

55.2 ± 7.7

55.7 ± 6.9

N.S^a

Sex (male/female)

12/18

14/16

26/34

N.S^b

Acromion type (III/II/I)

(20/7/3)

(18/9/3)

(38/16/6)

N.S.^b

Dominant hand (right/left)

23/7

26/4

49/11

N.S^b

Affected hand (right/left)

20/10

21/9

41/19

N.S^b