Table 2

Comparison of self-reported pain and stress between fibromyalgia syndrome patients and healthy controls
Phase
 FMS (N = 90)
 HC (N = 30)
 p value

Mean
 SD
 Mean
 SD
Pain




     Baseline
 4.70
 (2.30)
 0.00
 (0.00)
 <0.001
     Relax 1
 4.75
 (2.14)
 0.00
 (0.00)
 <0.001
     Arithmetic
 5.60
 (2.19)
 0.07
 (0.25)
 <0.001
     Relax 2
 5.33
 (1.70)
 0.00
 (0.00)
 <0.001
     Conflict
 5.63
 (2.03)
 0.34
 (0.71)
 <0.001
     Relax 3
 5.40
 (1.79)
 0.23
 (0.50)
 <0.001
Stress




     Baseline
 2.65
 (0.92)
 1.17
 (0.79)
 <0.001
     Relax 1
 2.22
 (0.85)
 0.17
 (0.38)
 <0.001
     Arithmetic
 4.70
 (2.01)
 2.37
 (0.72)
 <0.001
     Relax 2
 3.10
 (1.10)
 0.10
 (0.31)
 <0.001
     Conflict
 5.60
 (1.88)
 3.33
 (1.03)
 <0.001
     Relax 3
 3.04
 (0.98)
 0.57
 (0.68)
 <0.001

FMS, fibromyalgia syndrome; HC, healthy controls; SD, standard deviation.

Thieme and Turk Arthritis Research & Therapy 2006 8:R9   doi:10.1186/ar1863

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