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  1. Respiratory symptoms and pulmonary function in an elderly nonsmoking population.

    Article - En anglais

    Objective 

    To examine risk factors for chronic airway disease (CAD) in elderly nonsmokers, as determined by pulmonary function tests (PFTs), and to correlate reported respirators symptoms with PFT measures.

    Design 

    An observational surrey.

    Setting 

    Several communities in California.

    Measurements 

    Exposures and respiratory bistory were assessed by standardized questionnaire.

    PFTs were performed and prediction equations derived.

    Results 

    Significant risk factors for obstruction on PFTs in multiple logistic regression included reported environmental tobacco smoke (ETS) exposure (relative risk [RR]=1.44), parental CAD or hay fever (RR=1.47), history of childhood respirators illness (RR=2.15), increasing age, and male sex.

    The number of years of past smoking was of borderline significance (RR=1.29 for 10 years of smoking ; p=0.06).

    The prevalence of obstruction on PFTs was 24.9% in those with definite symptomatic CAD, compared with 7.5% in those with no symptoms of CAD.

    The prevalence of obstruction was 36.0% among those with asthma and 70.6% among those with emphysema.

    Also, symptomatic CAD correlated with reduction in lung function by analysis of covariance.

    The mean percent predicted FEV1 adjusted for covariates was 90.6% in persons with definite symptoms of CAD, compared with 97.8% in those without it (p<0.001).

    Conclusions 

    Age, sex, parental history, childhood respiratory illness, and reported ETS exposures were significant risk factors for obstruction on PFTs. (...)

    Mots-clés Pascal : Exploration, Fonction respiratoire, Personne âgée, Homme, Obstruction, Voie respiratoire, Facteur risque, Prévalence, Epidémiologie, Appareil respiratoire pathologie, Chronique, Symptomatologie

    Mots-clés Pascal anglais : Exploration, Lung function, Elderly, Human, Obstruction, Respiratory tract, Risk factor, Prevalence, Epidemiology, Respiratory disease, Chronic, Symptomatology

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

    Cote : 99-0108760

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