Table 2 Clinical outcomes of the enrolled patients according to the follow up

 Pain

5.8 + 2.8 (1–10)

6.8 + 2.7 (1–10)

0.39

6.9 + 2.4 (1–10)

6.4 + 2.8 (1–10)

< 0.0001*

6.8 + 2.5 (2–10)

7.8 + 2.7 (2–10)

0.18

 Function

6.6 + 3 (2–10)

7.3 + 3 (1–10)

0.5

7.1 + 2.4 (2–10)

6.3 + 3 (1–10)

< 0.0001*

6.6 + 2.2 (2–10)

8.4 + 2.7 (2–10)

0.02*

 Forward Flexion

4.2 + 1 (2–5)

4.5 + 0.9 (2–5)

0.37

4.4 + 0.9 (2–5)

4.4 + 0.8 (3–5)

< 0.0001*

4.5 + 0.9 (2–5)

4.5 + 1 (1–5)

0.69

 Strength

3.8 + 1.2 (1–5)

3.8 + 1.1 (2–5)

0.98

3.4 + 1 (1–5)

3.7 + 1 (2–5)

< 0.0001*

3.7 + 0.7 (3–5)

4.2 + 0.7 (3–5)

0.09

 Satisfaction

5 + 0

4.2 + 1.8 (0–5)

0.5

4.8 + 0.9 (0–5)

4.8 + 1 (0–5)

0.002*

4.6 + 1.3 (0–5)

5 + 0

0.74

Final score

25.4 + 7.5 (11–35)

26.8 + 8.4 (6–35)

0.53

26.6 + 6 (6–35)

25.6 + 7.45 (10–35)

< 0.0001*

26.3 + 5.8 (15–34)

29.9 + 6.2 (15–35)

0.04*

 Pain

2.8 + 0.8 (1–4)

2.8 + 1.2 (0–4)

0.81

2.9 + 0.8 (1–4)

2.6 + 1.1 (1–4)

0.42

2.9 + 0.8 (1–4)

3.2 + 0.7 (2–4)

0.45

 Active abduction

3.4 + 0.7 (2–4)

3.5 + 1.1 (1–4)

0.33

3.3 + 1 (1–4)

3.3 + 0.9 (2–4)

0.96

3.5 + 0.9 (1–4)

3.7 + 0.7 (2–4)

0.49

 Strength

3 + 0.9 (1–4)

3.1 + 0.9 (1–4)

0.78

3 + 0.7 (2–4)

3.1 + 0.9 (1–4)

0.24

3 + 0.7 (2–4)

3.5 + 0.6 (2–4)

0.11

 Function

3.2 + 0.8 (2–4)

3.2 + 0.9 (1–4)

0.81

3 + 0.6 (1–4)

3.3 + 0.8 (1–4)

0.72

3 + 0.5 (2–4)

3.4 + 0.5 (3–4)

0.12

 Satisfaction

0.8 + 0.7 (− 1–1)

0.7 + 0.7 (− 1–1)

0.91

0.9 + 0.4 (− 1–1)

0.9 + 0.4 (− 1–1)

0.84

0.9 + 0.5 (− 1–1)

1 + 0

0.73

Final score

13.2 + 2.9 (7–17)

13.3 + 4.3 (2–17)

0.59

13 + 2.7 (4–17)

13.2 + 3.6 (6–17)

0.66

13.4 + 2.4 (8–17)

14.8 + 2 (10–17)

0.07

OSS

26.1 + 12.7 (12–51)

22.8 + 10.7 (12–47)

0.47

21.9 + 9.8 (12–53)

25.7 + 12.3 (12–51)

0.34

22.5 + 10.6 (12–43)

18.6 + 7.2 (12–32)

0.03*