Table 2 Comparison of symptom improvement and pain score of research subjects(\(\overline x\) ± s)

extracorporeal shock wave group (n = 47)

before therapy

7.47 ± 1.24

22.16 ± 5.87

1 week after treatment

5.69 ± 1.16

14.16 ± 4.06

2 weeks after treatment

3.26 ± 1.02

8.16 ± 3.79

regular group (n = 45)

before therapy

7.37 ± 1.36

22.12 ± 5.62

1 week after treatment

6.23 ± 1.21

17.24 ± 4.11

2 weeks after treatment

5.49 ± 1.31

11.24 ± 4.04

 F time

8.264

9.278

P time

< 0.001

< 0.001

 F time point*group

8.832

9.463

P time point*group

< 0.001

< 0.001