Table 2.

Comparison of symptom improvement and pain score of research subjects( ± s)

group	time point	VAS (points)	GSS (points)
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