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Table 3 Absolute frequency of adjective used to describe perceptions during the acupuncture treatments

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

  verum laser (n = 47) sham laser (n = 50) p-values
spreading 26 24 0.47
radiating 23 24 0.93
tingling 20 23 0.98
pulling 16 16 0.83
pulsing 16 11 0.19
warm 16 21 0.73
dull 12 21 0.32
electric 12 7 0.15
penetrating 9 15 0.46
throbbing 6 6 -
intense 5 5 -
shocking 4 1 -
cool 4 2 -
pricking 3 5 -
heavy 3 3 -
sharp 3 3 -
burning 2 3 -
stinging 2 1 -
numbing 1 8 -
hot 1 9 -
hurting 1 0 -
aching 0 1 -
  1. Relative frequencies were calculated upon the number of subjects reporting perceptions within each study arm (verum laser group n = 47, sham laser group n = 50). Statistical comparison by chi-square-test according to Pearson did not reveal significant differences between the two study groups (p-values between 0.15 - 0.98).