Table 6 Comparison of SRS-22 outcome between preoperative and postoperative 24-month follow-up

4.3 ± 0.3

4.4 ± 0.3

2.3

0.021*

4.0 ± 0.3

4.1 ± 0.3

2.5

0.001*

3.6 ± 0.4

4.2 ± 0.2

16.7

 < 0.001*

4.1 ± 0.2

4.3 ± 0.2

4.9

0.002*

3.8 ± 0.5

4.3 ± 0.2

13.2

 < 0.001*

4.0 ± 0.1

4.2 ± 0.1

5.0

 < 0.001*