Quantitative Data for Transcutaneous Electrical Nerve Stimulation and Acupuncture Effectiveness in Treatment of Fibromyalgia Syndrome

Table 2

Comparison of regional theta power obtained from pretreatment electroencephalography recordings of the patients in the acupuncture and transcutaneous electric nerve stimulation groups with the control group.

Region	Acupuncture [1]	TENS [2]	Control [3]	Kruskal-Wallis Test		Mann-Whitney U Test (post-hoc) Test
				Chi square	p	U and Z values			p
						1 vs. 3	2 vs. 3	1 vs. 3	2 vs. 3
Left anterior	4.61	7.42	12.38	21.296	≤0.001	U=39	U=96	≤0.001	0.002
	(2.48-67.56)	(0.26-54.51)	(7.02-31.83)			Z=-4.566	Z=-3.132
Right anterior	5.66	6.55	12.11	18.126	≤0.001	U=66	U=85	≤0.001	0.001
	(2.64-96.14)	(1.54-18.73)	(1.73-42.71)			Z=-3.887	Z=-3.409
Left posterior	19.81	25.53	36.24	7.228	0.027	-	-	-	-
	(13.26-268.65)	(0.37-147.12)	(5.78-104.04)
Right posterior	19.38	21.38	37.77	12.929	0.002	U=94	U=103	0.001	0.003
	(0.76-210.78)	(9.94-102.13)	(17-96.67)			Z=-3.182	Z=-2.956

TENS, transcutaneous electric nerve stimulation.
Data are presented as median (minimum–maximum).