Author(s)

David Riafio & Susana Prado

Abstract

Diagnosis-Related Groups (DRG) were introduced at the University of Yale as a classification system of the admissions in a hospital into classes of resource iso- consumptions. In 1982, the Health Care Financing Administration of the USA proposed to study the costs of the medical institutions by means of DRG. To our days, this methodology has become a standard all over the world, though there are several criticisms that justify the search of alternative methods. Knowledge discovery in databases (KDD) provides us with a new methodology which is not based on the general tables of cost that the National Health Care institutions publish yearly, but o

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