Authors
Ahmad-Reza Jamshidi, Arash Tehrani Banihashemi, Shima Roknsharifi, Masoumeh Akhlaghi, Ahmad Salimzadeh, Fereydoun Davatchi
Publication date
2014
Journal
Medical journal of the Islamic Republic of Iran
Volume
28
Pages
93
Publisher
Iran University of Medical Sciences
Description
Background: To estimate the prevalence and characteristics of Rheumatoid Arthritis (RA) in an urban area of Tehran.
Methods: A total of 50 clusters were randomly selected in Tehran and 10291 subjects completed the COPCORD Core Questionnaire during 2004 and 2005. Patients with rheumatic complaints were examined and diagnosed by subspecialty fellows in rheumatology. Laboratory and radiology tests were also performed if required.
Results: A total of 35 subjects (5 men and 30 women) were diagnosed with RA, with a prevalence of 0.33%(95% CI: 0.22-0.46). Our results demonstrated that RA was six times more common in women than men. The mean age (±SD) of patients was 52.3 (±17.6) years. Morning stiffness> 1 hour was reported in 37.1% of patients. Rheumatic signs were commonly found in wrist (60%), knee (60%), metacarpophalangeal (48.6%) and proximal interphalangeals of hand (40 …
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