Table 6.

Discrimination-coefficients for the discrimination score

	Item	Coefficient
Q1:	burning	1.8
Q2:	squeezing	1.0
Q3:	pressure	-0.6
Q4_d:	spontaneous pain (dichot.)*	0.4
Q5:	electric shocks	-0.3
Q6:	stabbing	-0.7
Q7_d:	pain attacks (dichot.)*	-8.0
Q8:	evoked by brushing	-0.5
Q9:	evoked by pressure	0.5
Q10:	evoked by cold stimuli	-0.6
Q11:	pins and needles	3.7
Q12:	tingling	-1.3
constant value		50.0

* Q4 and Q7 are dichotomized by setting Q4_d = 1 if Q4<4

resp. Q7_d = 1 if Q7<2 and appointing 0 in the other cases