Table 1.

Absolute and statistical values of psychophysical, psychological and psychophysiological data

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