Multilevel cluster-weighted models for the evaluation of hospitals

Paolo Berta (), Salvatore Ingrassia (), Antonio Punzo and Giorgio Vittadini ()
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Paolo Berta: University of Milano-Bicocca
Salvatore Ingrassia: University of Catania

METRON, 2016, vol. 74, issue 3, No 1, 275-292

Abstract: Abstract In recent years, increasing attention has been directed toward problems inherent to quality control in healthcare services. In particular, it is necessary to measure effectiveness with respect to improving healthcare outcomes of diagnostic procedures or specific treatment episodes. The performance of hospitals is usually evaluated by multilevel models and other methods for risk adjustment. However, these approaches are not suitable for data with large unobserved heterogeneity. A potentially large source of unobserved heterogeneity comes from the variation of the regression coefficients between groups of individuals sharing similar but unobserved characteristics. To overcome such drawbacks, we propose the multilevel cluster-weighted model, a new mixture model approach for handling hierarchical data.

Keywords: Cluster-weighted models; Mixture models; Hierarchical data; Multilevel models (search for similar items in EconPapers)
Date: 2016
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Citations: View citations in EconPapers (7)

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DOI: 10.1007/s40300-016-0098-3

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