[Validating the Adjusted Clinical Groups [ACG] case-mix system in a Spanish population setting: a multicenter study].

Autor:	Sicras-Mainar A; Dirección de Planificación, Badalona Servicios Asistenciales, S.A., Badalona, Barcelona, España., Navarro-Artieda R
Jazyk:	Spanish; Castilian
Zdroj:	Gaceta sanitaria [Gac Sanit] 2009 May-Jun; Vol. 23 (3), pp. 228-31. Date of Electronic Publication: 2009 Mar 05.
DOI:	10.1016/j.gaceta.2008.04.005
Abstrakt:	Purpose: To validate the Johns Hopkins ACG case-mix system used in various primary and specialized care centers attending a defined population in Spain. Methods: A retrospective, multicenter study was carried out by applying the ACG case-mix system to the clinical records of patients attending five primary care teams and two hospitals over a 1-year period in 2005. The main measurements were dependent variables (visits, episodes, primary care costs, and total costs), and morbidity. The determination coefficient (R2; p<0.05) was used to measure the explained variability. Results: A total of 81,873 patients were included with a mean (standard deviation) number of 4.8 (3.5) episodes and 8.0 (8.1) visits/patient/year. The explained variance (R2) of ACG classification was 73.1% (75.5% log transformation) for episodes, 43.2% (54.0% log transformation) for visits, 19.6% (54.8% log transformation) for primary care costs, and 22.7% (48.3% log transformation) for total costs (p<0.001). Conclusion: The ACG system classified a defined population on the basis of morbidity and individual resource consumption. Moreover, the ACG system was useful to assess the clinical (comorbidity) and economical information of each center.
Databáze:	MEDLINE
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