Document Detail

The American College of Rheumatology 1990 Criteria for the Classification of Fibromyalgia. Report of the Multicenter Criteria Committee.
MedLine Citation:
PMID:  2306288     Owner:  NLM     Status:  MEDLINE    
To develop criteria for the classification of fibromyalgia, we studied 558 consecutive patients: 293 patients with fibromyalgia and 265 control patients. Interviews and examinations were performed by trained, blinded assessors. Control patients for the group with primary fibromyalgia were matched for age and sex, and limited to patients with disorders that could be confused with primary fibromyalgia. Control patients for the group with secondary-concomitant fibromyalgia were matched for age, sex, and concomitant rheumatic disorders. Widespread pain (axial plus upper and lower segment plus left- and right-sided pain) was found in 97.6% of all patients with fibromyalgia and in 69.1% of all control patients. The combination of widespread pain and mild or greater tenderness in greater than or equal to 11 of 18 tender point sites yielded a sensitivity of 88.4% and a specificity of 81.1%. Primary fibromyalgia patients and secondary-concomitant fibromyalgia patients did not differ statistically in any major study variable, and the criteria performed equally well in patients with and those without concomitant rheumatic conditions. The newly proposed criteria for the classification of fibromyalgia are 1) widespread pain in combination with 2) tenderness at 11 or more of the 18 specific tender point sites. No exclusions are made for the presence of concomitant radiographic or laboratory abnormalities. At the diagnostic or classification level, the distinction between primary fibromyalgia and secondary-concomitant fibromyalgia (as defined in the text) is abandoned.
F Wolfe; H A Smythe; M B Yunus; R M Bennett; C Bombardier; D L Goldenberg; P Tugwell; S M Campbell; M Abeles; P Clark
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Arthritis and rheumatism     Volume:  33     ISSN:  0004-3591     ISO Abbreviation:  Arthritis Rheum.     Publication Date:  1990 Feb 
Date Detail:
Created Date:  1990-03-23     Completed Date:  1990-03-23     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370605     Medline TA:  Arthritis Rheum     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  160-72     Citation Subset:  AIM; IM    
University of Kansas, Arthritis Center, Wichita 67214.
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MeSH Terms
Age Factors
Analysis of Variance
Fibromyalgia / classification*,  diagnosis
Middle Aged
Multivariate Analysis
Comment In:
Arthritis Rheum. 1990 Dec;33(12):1863-4   [PMID:  2261007 ]
Arthritis Rheum. 1991 Jan;34(1):128   [PMID:  1984775 ]

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