Acupuncture transcutaneous electrical nerve stimulation reduces discomfort associated with barostat-induced rectal distension: A randomized-controlled study

Table 1 Demographic data of subjects in the transcutaneous electrical nerve stimulation over acupuncture points and placebo transcutaneous electrical nerve stimulation over acupuncture points groups (mean ± SD)

Item	Acu-TENS group(n = 20)	PA group(n = 20)	P value
Age (yr)	53.4 ± 3.8	53.9 ± 3.5	0.669
Gender (male/female)	8/12	8/12	1.000
Body weight (kg)	63.9 ± 14.4	63.0 ± 9.35	0.825
Body height (m)	1.62 ± 0.07	1.61 ± 0.07	0.692
BMI(kg/m2)	23.9 ± 3.61	24.0 ± 2.53	0.899

Acu-TENS: Transcutaneous electrical nerve stimulation over acupuncture points; PA: Placebo transcutaneous electrical nerve stimulation over acupuncture points; BMI: Body mass index.