Delirium superimposed on dementia: defining disease states and course from longitudinal measurements of a multivariate index using latent class analysis and hidden Markov chains

Publisher: Cambridge University Press

E-ISSN: 1741-203x|23|10|1659-1670

ISSN: 1041-6102

Source: International Psychogeriatrics, Vol.23, Iss.10, 2011-12, pp. : 1659-1670

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Abstract

Background: The study of mental disorders in the elderly presents substantial challenges due to population heterogeneity, coexistence of different mental disorders, and diagnostic uncertainty. While reliable tools have been developed to collect relevant data, new approaches to study design and analysis are needed. We focus on a new analytic approach.