期刊
AUTOIMMUNITY REVIEWS
卷 9, 期 5, 页码 A288-A292出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.autrev.2009.11.019
关键词
Rheumatoid arthritis; Epidemiology; Incidence; Prevalence; Environmental factors
类别
Rheumatoid arthritis (RA) is a chronic inflammatory joint disease characterized by a distinctive pattern of bone and joint destruction. RA patients have an increased risk of death. The incidence and prevalence of RA vary across populations, statistical methods, and disease definitions. In North America and Northern Europe, the incidence of RA is estimated at 20 to 50 cases per 100,000 population and the prevalence at 0.5% to 1.1%. Lower incidences and prevalences have been reported in Southern Europe, and few data are available for developing countries. Some studies showed declining incidences and prevalences after the 1960s. RA is a multifactorial disease that results from interactions between genetic and environmental factors. The main genetic factors are HIA-DRB1 and the tyrosine-phosphatase gene PTPN22. Among environmental factors implicated in the development of RA, smoking shows the strongest association with RA susceptibility and is also linked to worse outcomes. The aim of this review is to discuss the available data on the incidence and prevalence of RA, as well as the genetic and environmental risk factors associated with RA. (C) 2009 Elsevier By. All rights reserved.
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