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

Table 2

Visual analogue scale (mean ± SD).

VAS
Parameter	0 d	7 d	1 m	3 m	p
A group	6.5 ± 1.2	5.7 ± 1.3	5.5 ± 1.3	5.8 ± 1.2	p1 = 0.014	p2 = 0.005
					p3 = 0.034	p4 = 0.708
					p5 = 0.723	p6 = 0.466
B group	6.4 ± 1.1	5.1 ± 1.7	4.6 ± 1.9	4.7 ± 2.1	p1 = 0.003	p2 = 0.000
					p3 = 0.000	p4 = 0.342
					p5 = 0.454	p6 = 0.840
	0.827	0.15	0.043	0.024

p1: comparison between 0 and seven days of treatment; p2: comparison between 0 and one month of treatment; p3: comparison between 0 and three months of treatment; p4: comparison between seven days and one month of treatment; p5: comparison between seven days and one month of treatment; p6: comparison between one month and three months of treatment.