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Document type:
journal article 
Author(s):
Walitt, B; Fitzcharles, MA; Hassett, AL; Katz, RS; Häuser, W; Wolfe, F 
Title:
The longitudinal outcome of fibromyalgia: a study of 1555 patients. 
Abstract:
To describe the diagnosis status and outcome of patients diagnosed with fibromyalgia (FM) by US rheumatologists.We assessed 1555 patients with FM with detailed outcome questionnaires during 11,006 semiannual observations for up to 11 years. At entry, all patients satisfied American College of Rheumatology preliminary 2010 FM criteria modified for survey research. We determined diagnosis status, rates of improvement, responder subgroups, and standardized mean differences (effect sizes) between st...    »
 
Journal title abbreviation:
J Rheumatol 
Year:
2011 
Journal volume:
38 
Journal issue:
10 
Pages contribution:
2238-46 
Language:
eng 
Print-ISSN:
0315-162X 
TUM Institution:
Klinik und Poliklinik für Psychosomatische Medizin und Psychotherapie