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  1. Prevalence of rheumatoid arthritis in circumpolar native populations.

    Article - En anglais

    Objective

    To compare the prevalence of rheumatoid arthritis (RA) in related, but geographically separate, indigenous circumpolar populations.

    Methods

    Cases were identified by community survey in Russia and by examination of cases located through arthritis registries, a computerized patient information database, and query of local health care providers in Alaska.

    All possible cases were verified by examination and application of the American College of Rheumatology 1987 criteria.

    Results

    The prevalence rates of RA (age standardized to US population of 1980) varied from 0.62% in the Alaskan Yupik to 1.78% in the Alaskan Inupiat.

    The Russian Chukchi rate was 0.73% and that of the Siberian Eskimo was 1.42%. Conclusion.

    The Alaskan Yupik Eskimo and Chukchi natives had prevalence rates of RA within the usual range of North American Caucasian groups, in contrast to the Russian Siberian Eskimo and the Alaskan Inupiat Eskimo of the Barrow region, whose high rates approached those of unrelated North American native groups living in very different environments.

    The Alaskan Inupiat rate was significantly higher than that of the Alaskan Yupik (OR=2.51,95% CI 1.25-5.07 ; p=0.013). but statistical inferences are limited in the Russian study populations by the small case numbers.

    The high prevalence rates probably have a genetic basis, although an environmental influence cannot be excluded.

    Mots-clés Pascal : Polyarthrite rhumatoïde, Etude comparative, Ethnie, Epidémiologie, Prévalence, Alaska, Etats Unis, Amérique du Nord, Amérique, Russie, Eurasie, Homme, Chronique, Système ostéoarticulaire pathologie, Rhumatisme inflammatoire, Immunopathologie, Maladie autoimmune

    Mots-clés Pascal anglais : Rheumatoid arthritis, Comparative study, Ethnic group, Epidemiology, Prevalence, Alaska, United States, North America, America, Russia, Eurasia, Human, Chronic, Diseases of the osteoarticular system, Inflammatory joint disease, Immunopathology, Autoimmune disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0114081

    Code Inist : 002B15D. Création : 22/06/1998.