Visualization and Prediction of Disease Interactions with Continuous-Time Hidden Markov Models

author: Jose M. Leiva-Murillo, Universidad Carlos III de Madrid
published: Jan. 23, 2012,   recorded: December 2011,   views: 176
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Description

This paper describes a method for discovering disease relationships and the evolution of diseases from medical records. The method makes use of continuous-time Markov chain models that overcome some drawbacks of the more widely used discrete-time chain models. The model addresses uncertainty in the diagnoses, possible diagnosis errors and the existence of multiple alternative diagnoses in the records. A set of experiments, performed on a dataset of psychiatric medical records, shows the capability of the model to visualize maps of comorbidity and causal interactions among diseases as well as to perform predictions of future evolution of diseases.

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