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Table 5 Paired t-tests comparing sensation intensity between acupuncture and tactile stimulation, when these sensations occurred in acupuncture

From: Characterization of the "deqi" response in acupuncture

 

p-value

N

Sensations

LI4

ST36

LV3

LI4

ST36

LV3

Aching

0.0000

0.0003

0.01

12

9

7

Soreness

0.01

0.5

0.05

12

7

6

Pressure

0.001

0.01

0.006

8

8

7

Heaviness

0.02

0.6

0.3

6

4

2

Fullness

0.01

--

0.03

5

0

2

Warm

0.01

--

0.01

5

1

4

Cool

0.5

--

0.06

3

2*

2

Numbness

0.07

0.00

0.02

7

6

5

Tingling

0.07

0.02

0.01

11

8

7

Dull Pain

0.003

0.05

--

7

6

1

  1. * Not tested (variance = 0).
  2. T-tests were performed on sensations men scores only for subjects who reported a sensation above a threshold of 1 in acupuncture regardless of its presence or absence in tactile stimulation. Aching and pressure appear to be especially important as potential deqi sensations for all three acupoints (p < 0.001). Soreness, fullness, warmth, numbness, tingling, and dull pain were more intense for two of the acupoints (p < 0.05). Of the three acupoints, LI4 had the largest number of sensations that were significantly stronger in acupuncture, including aching, soreness, pressure, heaviness, fullness, warmth, and dull pain.