Table 2.

Correlation matrix of pain (intensity, affective and sensory dimension), physical and behavioral aspects in patients with MS

		Pain intensity r (P-value)	Affective dimension of pain quality r (P-value)	Sensory dimension of pain quality r (P-value)
Physical aspects	EDSS	0.23 (0.158)	0.09 (0.639)	0.01 (0.978)
	Bodily complaints
	Exhaustion	0.32 (0.052)	0.56 (0.001)	0.41 (0.021)
	Gastrointestinal complaints	0.06 (0.747)	0.29 (0.125)	0.40 (0.025)
	Musculoskeletal complaints	0.65 (0.000)	0.35 (0.062)	0.49 (0.006)
	Cardiovascular complaints	0.24 (0.152)	0.17 (0.362)	0.49 (0.006)
	Total score	0.43 (0.007)	0.48 (0.008)	0.56 (0.001)
	Fatigue
	Cognitive fatigue	0.19 (0.246)	0.24 (0.202)	0.56 (0.001)
	Physical fatigue	0.33 (0.044)	0.49 (0.006)	0.53 (0.002)
Behavioral aspects	Pain-related behavior
	Avoidance	0.12 (0.496)	0.58 (0.001)	0.35 (0.053)
	Resignation	0.07 (0.695)	0.46 (0.010)	0.36 (0.048)
	Distraction	−0.01 (0.950)	−0.29 (0.125)	0.04 (0.853)
	Health care utilization
	Physician consultations	0.15 (0.431)	0.41 (0.055)	0.22 (0.314)
	Physician changes	0.09 (0.648)	0.14 (0.540)	0.08 (0.742)
	Days off work	0.36 (0.102)	−0.21 (0.416)	0.22 (0.385)
	Physical therapies	−0.19 (0.330)	−0.03 (0.904)	−0.15 (0.507)
	Days of hospitalization	0.00 (0.984)	−0.13 (0.566)	−0.10 (0.644)
	Surgical interventions	–	–	–

Notes: r, Pearson’s coefficient; P-value, significance.