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      Creación de índices de gestión hospitalaria mediante análisis de componentes principales Translated title: Construction of hospital management indices using principal component analysis

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          Abstract

          Objetivo. Obtener índices útiles para la gestión hospitalaria basados en técnicas estadísticas multivariantes descriptivas. Material y métodos. Durante 1999 y 2000 se recogió información del Hospital de Algeciras correspondiente a los ingresos hospitalarios del periodo 1997-1998. Se estudiaron las variables habitualmente monitorizadas por el Servicio Andaluz de Salud, del Sistema Nacional de Salud Español: número de ingresos, mortalidad, número de reingresos, número de consultas externas, índice case-mix, número de estancias e índice funcional. Las variables se midieron en un total de 22 486 ingresos. Aplicamos la técnica de análisis de componentes principales (ACP), y se utilizó la matriz de correlaciones R. Resultados. Se seleccionaron las dos primeras componentes, con un porcentaje acumulado de variabilidad de 62.67%. Conclusiones. La primera componente puede ser asimilada a un nuevo índice que tiene que ver con la cuantía de personas atendidas, llamado demanda asistencial. La segunda explicaría la dificultad de los casos atendidos; le hemos llamado complejidad asistencial. Ambos índices permiten dar una clasificación de los servicios hospitalarios.

          Translated abstract

          Objective. To construct useful indices for hospital management, based on descriptive multivariate techniques. Material and Methods. Data were collected during 1999 and 2000, on hospital admissions occurring during 1997-1998 at Hospital General de Algeciras, part of Servicio Andaluz de Salud (SAS) of Sistema Nacional de Salud Español (Spanish National Health Service). The following variables routinely monitored by health authorities were analyzed: number of admissions, mortality, number of re-admissions, number of outpatient consultations, case-mix index, number of stays, and functional index. Variables were measured in a total of 22486 admissions. We applied the Principal Components Analysis (PCA) method using the R correlation matrix. Results. The first two components were selected, accounting cumulatively for 62.67% of the variability in the data. Conclusions. The first component represents a new index representing the number of attended persons, which we have termed Case Load. The second PC represents or explains the difficulty of the attended cases, which we have termed Case Complexity. These two indices are useful to classify hospital services.

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          Most cited references60

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          Hierarchical Grouping to Optimize an Objective Function

          Joe Ward (1963)
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            Principal Component Analysis

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              Analysis of a complex of statistical variables into principal components.

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                Author and article information

                Journal
                spm
                Salud Pública de México
                Salud pública Méx
                Instituto Nacional de Salud Pública (Cuernavaca, Morelos, Mexico )
                0036-3634
                November 2002
                : 44
                : 6
                : 533-540
                Affiliations
                [04] orgnameUniversidad de Cádiz orgdiv1Escuela de Ciencias de la Salud
                [01] orgnameUniversidad de Cádiz orgdiv1Area de Medicina Preventiva y Salud Pública España
                [03] orgnameUniversidad de Cádiz orgdiv1Departamento de Estadística España
                [02] Cádiz orgnameHospital del Servicio Andaluz de Salud de Algeciras orgdiv1Unidad de codificación España
                Article
                S0036-36342002000600005 S0036-3634(02)04400605
                10.1590/s0036-36342002000600005
                dac76d76-7576-4c64-92e8-1e9f8202ff09

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 10 January 2002
                : 25 June 2002
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 27, Pages: 8
                Product

                SciELO Mexico

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                Artículos originales

                management,Spain,clinical epidemiology,gestión,España,principal components analysis,índices hospitalarios,epidemiología clínica,hospital management indices,análisis de componentes principales

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