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Table 2 Data collection instruments at different assessment points

From: Effects of acupuncture on patients with fibromyalgia: study protocol of a multicentre randomized controlled trial

Variable T0 2s 3s 4s 5s 6s 7s 8s 9s T1 T2 T3
HAMD X          X X  
FIQ X          X X X
0-100 mm VAS X          X X X
SF12 X          X X X
Genogram X            
Tender points count X          X X X
Pain threshold X          X X X
Improvement perceived by patient           X   
Expectations and credibility    X        X   
Side effects           X   
Diagnosis by traditional Chinese medicine X          X   
Medication consumed X          X   
Occupational data X          X X X
Sociodemographic data X            
  1. VAS: Pain intensity measured on a visual analogue scale; HAMD: Hamilton scale; FIQ: Fibromyalgia Impact Questionnaire; T0: Baseline value; T1: Final value (10 weeks after start of treatment); T2: Follow-up evaluation 1 (6 months after start of treatment); T3: Follow-up evaluation 2 (12 months after start of treatment); #s: Session number.