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Table 2 Characteristics of patients in the three groups

From: Effects of acupuncture to treat fibromyalgia: A preliminary randomised controlled trial

  Group A Group B
Sample size 7 6
Age 45.7 (15.2) 47.3 (13.3)
Pain duration (y) 3.9 (3.9) 4.4 (2.3)
VAS (mm) 74.2 (8.4) 77.9 (10.1)
FIQ 64.3 (6.4) 66.3 (11.0)
Treatments received:   
   Amitriptylin 4 4
   SSRIs 2 3
   SNRIs 2 1
  1. Data are expressed as mean (standard deviation)