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  1. Incidence and prevalence of ankylosing spondylitis in Finland.

    Article - En anglais

    Objective

    To determine the incidence and prevalence of clinically significant ankylosing spondylitis (AS) in Finland.

    Methods

    The incidence study covered patients entitled under the nationwide sickness insurance scheme to receive specially reimbursed medication for AS in 5/21 central hospital districts in Finland (population base about one million adults = 16 years of age) in 1980,1985, and 1990.

    The prevalence study covered a representative sample of the Finnish population = 30 years of age, initially comprising 8000 persons, of whom 7217 participated in the field survey carried out in 1978-1980.

    Results

    The annual incidence of AS requiring antirheumatic medication was 6.9/100,000 [95% confidence interval (CI), 6.0-7.8] adults.

    Eleven cases of clinically significant AS were encountered in the prevalence study, corresponding to a prevalence of 0.15% (95% Cl, 0.08-0.27%). The ratio between the prevalence rate and the annual incidence rate was 22.

    Conclusion

    This study provides population based data on the incidence and prevalence of clinically significant AS in Finland.

    The incidence rates of AS remained similar for the 3 study years.

    Mots-clés Pascal : Spondylarthrite ankylosante, Incidence, Prévalence, Epidémiologie, Finlande, Europe, Homme, Symptomatologie, Chronique, Système ostéoarticulaire pathologie, Rhumatisme inflammatoire, Spondylarthropathie

    Mots-clés Pascal anglais : Ankylosing spondylitis, Incidence, Prevalence, Epidemiology, Finland, Europe, Human, Symptomatology, Chronic, Diseases of the osteoarticular system, Inflammatory joint disease, Spondylarthropathy

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

    Cote : 97-0235384

    Code Inist : 002B15D. Création : 11/06/1997.