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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).