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Issue No.06 - Nov.-Dec. (2012 vol.27)
pp: 81-85
Christopher A. Harle , University of Florida
Daniel B. Neill , Carnegie Mellon University
Rema Padman , Carnegie Mellon University
Here, the authors describe and evaluate a new information-visualization method and prototype software tool that support risk assessment for negative health outcomes. Their framework uses principal component analysis and linear discriminant analysis to plot high-dimensional patient data in 2D. It also incorporates interactive visualization techniques to aid the identification of high versus low risk patients, critical risk factors, and the estimated effect of hypothetical interventions on the likelihood of negative outcomes. The authors quantitatively evaluated the visualization method using a secondary dataset describing 588 people with diabetes and their estimated future risk of heart attack. Their results show that the method visually classifies high- and low-risk people with accuracy that's similar to other common statistical methods. The framework also provides an interactive, visualization-based tool for clinicians to explore the nuances of their patients' data and disease risk.
Visualization, Information technology, Medical information processing, Medical services, Risk assessment, Software development, risk assessment, information visualization, healthcare, dimensionality reduction
Christopher A. Harle, Daniel B. Neill, Rema Padman, "Information Visualization for Chronic Disease Risk Assessment", IEEE Intelligent Systems, vol.27, no. 6, pp. 81-85, Nov.-Dec. 2012, doi:10.1109/MIS.2012.112
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