Table 1 Baseline and clinical characteristics of the PRP and corticosteroid groups

Age—years

57.33 ± 9.80

53.60 ± 7.24

55.53 ± 8.79

0.108

Sex—no. (%)

0.644

 Male

5 (16.7)

6 (21.4)

11 (19)

 Female

25 (83.3)

22 (78.6)

47 (81)

VAS score

6.66 ± 2.26

5.53 ± 1.80

6.14 ± 2.15

0.041

Flexion—degrees

116.90 ± 37.58

135.42 ± 35.70

126 ± 38.15

0.060

Extension—degrees

35.16 ± 10.78

41.42 ± 10.87

38.21 ± 10.19

0.017

Abduction—degrees

102.83 ± 36.07

118.46 ± 41.43

109.32 ± 39.50

0.130

Adduction—degrees

20.50 ± 8.23

23.21 ± 7.09

22.05 ± 7.73

0.186

Internal rotation—degrees

64.26 ± 17.06

60.17 ± 19.41

62.73 ± 18.26

0.397

External rotation—degrees

59.66 ± 23.81

57.14 ± 24.69

58.39 ± 24.49

0.694

WORC score

32.85 ± 19.43

35.56 ± 17.97

34.46 ± 18.81

0.585

DASH score

54.02 ± 18.24

52.50 ± 20.32

53.51 ± 1925

0.764

Supraspinatus thickness—mm

6.97 ± 1.46

7.47 ± 1.38

7.20 ± 1.43

0.354