Effects of Temperature on Chronic Trapezius Myofascial Pain Syndrome during Dry Needling Therapy

Table 1

Demographic characteristics of study participants.

Parameter	Group A	Group B	value
	28	29
Sex (male/female)	11/17	10/19	0.460
Age (years)	44.07 ± 11.71	41.83 ± 11.72	0.473
Disease duration (mo)	53.04 ± 36.30	44.07 ± 32.90	0.332
BMI	23.01 ± 2.64	2.80 ± 2.90	0.775
Location trigger point (dominant/nondominant)	17/11	15/14	0.339

BMI: body mass index.