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Table 2 Comparison between the two study arms regarding occurrence and intensity of perceived sensations at the three different acupuncture points

From: Deqi sensations without cutaneous sensory input: results of an RCT

 

Occurrence of deqi

 

LI4

LU7

LR3

verum laser n = 47

14

18

15

sham laser n = 50

11

24

15

p-value

0.151

0.268

0.607

 

Intensity (± SD) of deqi

 

LI4

LU7

LR3

verum laser n = 47

2.21 ± 2.15

2.67 ± 2.39

2.08 ± 2.57

sham laser n = 50

2.67 ± 2.37

2.26 ± 1.99

2.73 ± 2.96

p-value

0.61

0.55

0.76

  1. Statistical analysis was performed by using the chi-square-test according to Pearson for occurrence of deqi sensations and by the Mann-Whitney-U test for the intensity of these perceptions (evaluated by VAS, 0-10).