Table 1. Comparison of demographic and clinical data between groups.

	Palpation-guided group (n=30)			US-guided group (n=30)			p
	n	%	Mean±SD	n	%	Mean±SD
Age (year)			41.8±10.7			39.2±11.3	0.36
Sex
Female	12	40.0		14	46.7		0.31
Male	18	60.0		16	53.3		0.29
BMI (kg/m2)			26.2±1.4			27.4±2.2	0.34
Affected site
Dominant	23	76.7		24	80		0.55
Non-dominant	7	23.3		6	20		0.45
Symptom duration (month)			6.4±2.2			6.1±2.1	0.72
Work-related risk factors	8	26.6		6	20		0.27
Usage of paracetamol during last six months			28.1±6.8			27.6±10.7	0.82
SD: Standard deviation; BMI: Body mass index.