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

Table 4

Comparison of regional beta 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)
				Chi square	p	U and Z values for 1 vs. 3	p
Left anterior	4.42	6.23	11.93	10.292	0.006	U=94	0.001
	(1.83-15.62)	(0.28-50.6)	(4.68-96.73)			Z=-3.182
Right anterior	5.45	6.02	11.35	8.083	0.018	U=113	0.007
	(2-28.25)	(2.33-28.01)	(1.16-77.66)			Z=-2.704
Left posterior	25.12	25.85	33.87	4.53	0.104	-	-
	(13.4-71.51)	(11.2-109.55)	(6.53-125.84)
Right posterior	28.44	26.47	31.32	4.005	0.135	-	-
	(0.82-57.87)	(9.98-96.30)	(17.43-168.54)

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