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  1. Dose of hemodialysis and survival : Differences by race and sex.

    Article - En anglais

    Context. - Although blacks receive lower doses of hemodialysis than whites, their survival when receiving dialysis treatment is better than that for whites.

    Previous studies of the relationship between the dose of dialysis and patient survival have not controlled for differences in patient characteristics.

    Objective

    - To examine the association of mortality with the dose of hemodialysis for clusters of patients categorized by race and sex.

    Design

    - Retrospective analysis of laboratory data and mortality outcomes from 1994, using a national database of hemodialysis patients.

    Patients

    - A total of 18144 black and white patients receiving hemodialysis 3 times weekly who either lived the entire year receiving hemodialysis or died.

    Main Outcome Measures

    - The fractional reduction of urea in a single dialysis session as the measured hemodialysis dose (urea reduction ratio [URR]) after controlling for race, sex, age, and diabetes mellitus.

    Mortality was determined by strata of URRs and albumin and creatinine levels.

    Results

    - Across all age categories, blacks had lower URRs than whites, and men had lower URRs than women.

    In an age-adjusted model for evaluating interactions among URRs, race, sex, and diabetes, the association of URR with mortality risk was weak among blacks, particularly black men.

    After adjustment for age and diabetes, death probability curves were most steep for white women with URR values less than 60%. (...)

    Mots-clés Pascal : Hémodialyse, Etude comparative, Caucasoïde, Mortalité, Dose seuil, Négroïde, Survie, Etiologie, Homme, Urée, Sexe, Evaluation, Epuration extrarénale, Biologie moléculaire, Urea reduction ratio (URR)

    Mots-clés Pascal anglais : Hemodialysis, Comparative study, Caucasoid, Mortality, Threshold dose, Negroid, Survival, Etiology, Human, Urea, Sex, Evaluation, Extrarenal dialysis, Molecular biology

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

    Cote : 99-0020536

    Code Inist : 002B26G. Création : 31/05/1999.