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  1. Method for separating patient and procedural factors while analyzing interdepartmental differences in rates of surgical infections : The Israeli study of surgical infection in abdominal operations.

    Article - En anglais

    The objective of this study was to develop a method for analyzing differences in the performance of hospitals with respect to outcome by separating patient factors from procedural factors.

    The setting included a prospective follow-up of a sample of 5571 patients undergoing all types of surgical procedures in general surgery departments of 11 hospitals (20 surgical departments) across Israel.

    Of these, 769 underwent surgery involving the opening of the bowel, and they are the subjects of this report.

    Our method consisted of a prospective follow-up by a nurse epidemiologist, including detailed clinical data from the day of admission to hospital discharge.

    Analysis was directed at identifying reasons for the observed variability in wound infections among departments.

    Observed rates were compared with « expected » rates calculated from a logistic model pooled over departments.

    An attempt was made to separate patient-inherent characteristics, such as age, sex, and diagnosis, from procedural factors, depicting the patient's experience during his hospitalization.

    Results indicated that the marked interdepartmental differences in the observed infection rates were not accounted for by differences in the « case mix » among departments.

    Procedural risk factors in this data set played the main role in explaining the observed variability among surgical departments. (...)

    Mots-clés Pascal : Infection nosocomiale, Chirurgie, Abdomen, Hospitalisation, Prévalence, Facteur risque, Epidémiologie, Méthodologie, Modèle mathématique, Homme, Etude comparative, Israël, Asie, Abdomen pathologie

    Mots-clés Pascal anglais : Nosocomial infection, Surgery, Abdomen, Hospitalization, Prevalence, Risk factor, Epidemiology, Methodology, Mathematical model, Human, Comparative study, Israel, Asia, Abdominal disease

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

    Cote : 97-0466033

    Code Inist : 002B30A01A1. Création : 03/02/1998.



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