Table 1. Demographic Data of ESWT and US-Guided Injection Groups at Baseline.

Variable		Group 1: ESWT (n = 13)	Group 2: US-guided Injection (n = 12)	p-value
Sex				0.673
	Male	5 (38.46)	3 (25.00)
	Female	8 (61.54)	9 (75.00)
Age (yr)		52.31 ± 7.25	53.00 ± 9.52	0.921
Involved site				1.000
	Right	7	6
	Left	6	6

Values are presented as number (%) or mean ± standard deviation.

ESWT: extracorporeal shock wave therapy, US: ultrasound.