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Table 1 Absolute and statistical values of psychophysical, psychological and psychophysiological data

From: Rumination and interoceptive accuracy predict the occurrence of the thermal grill illusion of pain

Subjective pain ratings:

RESPONDERS

NON-RESPONDERS

t-tests

Pain intensity:

n = 24 (44.4%)

n = 30 (55.6%)

 
 

Mean (SD)

Min-Max

Mean (SD)

Min-Max

 
 

38.6 (9.8)

25.4–63.3

14.4 (4.3)

2.5–24.6

p = .000** 1

Pain unpleasantness:

n = 19 (35.2%)

n = 35 (64.8%)

 
 

35.6 (11.1)

25–64.2

11.6 (8.2)

0–23.8

p = .000**

Trait/ State Questionnaires/ Tests:

 
 

n = 27

n = 27

t ( df )

p

Anxiety Trait

40.1 (8.7)

26–60

39.8 (7.6)

26–55

  

Anxiety State

33.6 (9.7)

0–47

30.8 (9.2)

0–44

  

Pain Catastrophizing

17.8 (9.5)

2–31

16.1 (7.7)

1–30

 

Rumination

13.1 (4.9)

3–25

10.9 (4.8)

3–20

1.9 (49)

.05*

Optimism/ Pessimism

16.1 (2.9)

12–22

15.1 (4.3)

6–23

 

Interoceptive accuracy (IA)

.75 (.2)

.07– .99

.61 (.2)

.09–.95

2.0 (49)

.05*

Expectancy of pain

56.1 (20)

0–85

59.6 (19.1)

15–100

  

Suggestibility (WSS):

n = 26

n = 27

 

3 positive WSS tests:

5 participants

 

2 participants

  

Positive Initiation test:

12 participants

 

10 participants

  

RT (sec)

47.3 (17.3)

5–60

51.9 (13.5)

11–60

 

Confidence

2.9 (.8)

1–4

3.2 (.9)

1–4

 

Concentration

3.4 (.7)

2–4

3.4 (.6)

2–4

 

Positive Intensification test:

19 participants

 

18 participants

  

RT (sec)

29.5 (22.3)

6–60

36.7 (20.6)

3–60

 

Distance (cm)

27.1 (15.4)

5–45

24.1 (15.1)

5–50

 

Confidence

3.5 (.5)

2–4

3.3 (.9)

1.5–4

 

Concentration

3.4 (.8)

1–4

3.7 (.5)

2–4

 

Positive Generalisation test:

10 participants

 

13 participants

  

RT (sec)

52.9 (11.4)

16–60

50.4 (13.8)

15–60

 

Confidence

3.2 (.8)

2–4

3.1 (.7)

1–4

 

Concentration

3.6 (.6)

2–4

3.6 (.6)

2–4

 
  1. 1 p-values < .05* (two-tailed) were considered significant and values < .001** (two-tailed) as highly significant.