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  • A comparison of analytic models for the costs of the hospitalized diabetic patients
    Zigon, Giulia ...
    OBJECTIVE: To compare some survival models as applied to the estimation of the costs of hospitalization as a function of several covariates in diabetic patients. The application of the Aalen ... regression model (Aalen, 1989) to medical costs is stressed. DESIGN: Retrospective observational study analyzing hospitalizations in a cohort of diabetic patients with a follow up of 4.5 years. STUDY POPULATION: A total of 2550 patients have been included in the cohort, according to clinical-based enrollment standards. The patients with at least one hospitalization have been considered in this analysis. METHODS: Costs have been modelled using five different regression model: the ordinary least square regression model, the logistic regression model using the median and the third quartile of the costs distribution as cut-off points,the parametric survival model assuming Weibull distribution, the Cox proportional hazard model and the Aalen additive regression model. CONCLUSIONS: The Aalen additive regression model applied to the costs has the best performances in estimating the mean hospitalization costs for specific clinical profiles.
    Vir: Advances in methodology and statistics = Metodološki zvezki. - ISSN 1854-0023 (Vol. 2, no. 1, 2005, str. 135-145)
    Vrsta gradiva - članek, sestavni del
    Leto - 2005
    Jezik - angleški
    COBISS.SI-ID - 24325213

    Povezava(-e):

    http://mrvar.fdv.uni-lj.si/pub/mz/mz2.1/zigon.pdf
    Digitalna knjižnica Slovenije - dLib.si
    Repozitorij Univerze v Ljubljani – RUL

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