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  1. Familial aggregation of rheumatoid arthritis in The Netherlands : a cross-sectional hospital-based survey.

    Article - En anglais

    Objectives

    To study the familial aggregation of rheumatoid arthritis (RA) in The Netherlands and to analyse the effect of proband characteristics on the concordance rates for RA.

    Secondary aims were to compare the characteristics of patients in an early RA inception cohort with those of regular patients and to select Dutch families for the genome-wide scan carried out by the European Consortium on RA families (ECRAF).

    Methods

    A cross-sectional, hospital-based survey aimed to identify affected sibpair (ASP) families among our whole RA population.

    Familial RA, or an ASP family, was defined by the presence of at least two siblings fulfilling the 1987 ACR criteria for RA.

    Results

    The estimated prevalence for familial RA was 9.8% and similar to that found in previous hospital series.

    The true-positive reporting rate for RA in sibs was 60%. Sibship size in ASP families (mean ± S.D.=7.8 ± 3.3) was significantly larger than in the Dutch population.

    Probands with familial RA were more often rheumatoid factor positive and had a longer follow-up.

    Male gender and history of joint replacements were associated with higher concordance rates for RA.

    However, regression analysis showed that, correcting for sibship size, the concordance rate for RA was largely not explained by proband characteristics. (...)

    Mots-clés Pascal : Polyarthrite rhumatoïde, Pathogénie, Etude familiale, Epidémiologie, Prévalence, Déterminisme génétique, Pays Bas, Europe, Homme, Chronique, Système ostéoarticulaire pathologie, Rhumatisme inflammatoire, Immunopathologie, Maladie autoimmune

    Mots-clés Pascal anglais : Rheumatoid arthritis, Pathogenesis, Family study, Epidemiology, Prevalence, Genetic determinism, Netherlands, Europe, 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 : 99-0306278

    Code Inist : 002B15D. Création : 16/11/1999.