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  1. Relation between influenza vaccination and outpatient visits, hospitalization, and mortality in elderly persons with chronic lung disease.

    Article - En anglais

    Background 

    Influenza vaccine is underused in groups targeted for vaccination.

    Objective 

    To define the effects of influenza and the benefits of influenza vaccination in elderly persons with chronic lung disease.

    Design 

    Retrospective, multiseason cohort study.

    Setting 

    Large managed care organization.

    Patients 

    All elderly members of a managed care organization who had a previous diagnosis of chronic lung disease.

    Measurements 

    Outcomes in vaccinated and unvaccinated persons for the 1993-1994,1994-1995, and 1995-1996 influenza seasons were compared after adjustment for baseline demographic and health characteristics.

    All data were obtained from administrative databases.

    Results 

    Vaccination rates were greater than 70% for each season.

    Among unvaccinated persons, hospitalization rates for pneumonia and influenza were twice as high in the influenza seasons as they were in the interim (non-influenza) periods.

    Influenza vaccination was associated with fewer hospitalizations for pneumonia and influenza (adjusted risk ratio, 0.48 [95% Cl, 0.28 to 0.82]) and with lower risk for death (adjusted odds ratio, 0.30 [Cl, 0.21 to 0.43]) during the influenza seasons.

    It was also associated with fewer outpatient visits for pneumonia and influenza and for all respiratory conditions. (...)

    Mots-clés Pascal : Bronchopneumopathie obstructive, Chronique, Personne âgée, Homme, Prévention, Infection, Vaccination, Grippe, Virose, Bénéfice, Evolution, Consultation, Hospitalisation, Minnesota, Etats Unis, Amérique du Nord, Amérique, Epidémiologie, Etude cohorte, Appareil respiratoire pathologie, Poumon pathologie, Bronche pathologie

    Mots-clés Pascal anglais : Obstructive pulmonary disease, Chronic, Elderly, Human, Prevention, Infection, Vaccination, Influenza, Viral disease, Profit, Evolution, Consultation, Hospitalization, Minnesota, United States, North America, America, Epidemiology, Cohort study, Respiratory disease, Lung disease, Bronchus disease

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

    Cote : 99-0172887

    Code Inist : 002B11B. Création : 16/11/1999.