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Table 1 Groups investigated, demographic, anthropometric and distribution of the sample. Values expressed as mean ± standard deviation. Kruskal Wallis, p = 0.015

From: Comparison of the placebo effect between different non-penetrating acupuncture devices and real acupuncture in healthy subjects: a randomized clinical trial

Group Acupoint Age BMI Sex Sex Subject
   (years) (kg/m2) Fem.(%) Men.(%) (n)
Real St25 24,3 ± 8,8 21,7 ± 2,7 78,25 21,75 23
Park Sham St25 25,3 ± 5,4 23,8 ± 2,1 52,17 47,83 23
Needle + Foam St25 26,6 ± 7,8 25,8 ± 3,8 52,17 47,83 23
Insertion and Removal St25 24,7 ± 7,0 22,5 ± 3,5 86,95 13,05 23
Real + Park Sham St25 28,3 ± 8,8 24,7 ± 4,7 86,95 13,05 23
Real + Needle and foam St25 24,3 ± 5,5 23,8 ± 4,2 95,45 4,55 22
Real + insertion and remo. St25 21,6 ± 3,4 22,9 ± 3,7 82,60 17,4 23
Real Bl52 24,3 ± 7,1 24,1 ± 6,9 81,81 18,19 22
Park Sham Bl52 25,1 ± 7,7 23,0 ± 3,9 86,95 13,05 23
Needle + foam Bl52 29,2 ± 8,0 24,0 ± 5,1 69,56 30,44 23
Insertion and Removal Bl52 24,6 ± 6,5 22,8 ± 5,7 76 24 25
Real + Park Sham Bl52 30,8 ± 7,6 23,7 ± 3,1 52,17 47,83 23
Real + Needle and foam Bl52 27,0 ± 8,3 24,2 ± 4,8 77,27 22,73 22
Real + insertion and remo. Bl52 25,4 ± 6,7 22,7 ± 3,1 78,26 21,74 23
General:   25,8 ± 7,0 23,5 ± 4,1 75,46 24,54 321
P value     p = 0.015