Measure

Low pain N = 109, 57% 59 M, 50 F

High pain N = 82, 43% 27 M, 55 F

Independent sample t-test

Mean (SEM)

range

Mean (SEM)

range

Heat pain intensity (0 - 100)

48.2 (1.9)

0 - 95

82.1 (1.1)

50 - 100

t = 14.936 ; p < 0.001

Cold pain threshold (sec)

6.9 (0.5)

1 - 31

5.4 (0.3)

1 - 13

t = −2.592 ; p = 0.01

Cold pain tolerance (sec)

47.3 (4.4)

4 - 180

27.5 (1.7)

7 - 83

t = −4.215 ; p < 0.001

Cold pain intensity (0 - 100)

66.2 (2.1)

6 - 100

85.9 (1.3)

37 - 100

t = 7.990 ; p < 0.001

Conditioned pain modulation (CPM)

19.3 (1.2)

−10 - 68

29.7 (2.1)

0 - 90

t = 4.323 ; p < 0.001