Table 4.

Multivariate logistic regression including the main variables possibly associated with fibromyalgia, and shared by fibromyalgia and psoriatic arthritis.

VariablesOR (95% CI)p
Female sex0.23 (0.02–2.54)0.23
FIQ score0.98 (0.94–1.02)0.26
VAS pain score0.99 (0.95–1.02)0.51
Somatic symptoms3.25 (1.96–5.38)0.001
MASES0.78 (0.63–0.98)0.03
Tender points1.63 (1.31–2.03)0.001
No response to NSAID1.99 (0.40–9.87)0.39
  • VAS: visual analog scale; FIQ: Fibromyalgia Impact Questionnaire; MASES: Maastricht Ankylosing Spondylitis Enthesitis Score; NSAID: nonsteroidal antiinflammatory drug.