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The use of classification and regression tree to predict 15-year survival in community-dwelling older people
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Melillo, Paolo, Pecchia, Leandro, Bath, Peter A. and Bracale, Marcello (2013) The use of classification and regression tree to predict 15-year survival in community-dwelling older people. International Journal of Health Information Management Research, Volume 1 (Number 1). pp. 48-54.
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Official URL: https://ijhimr.shef.ac.uk/ojs/index.php/ijhimr/art...
Abstract
Previous research has identified various risk factors for mortality in older people. The aim of this paper was to use Classification and Regression Tree to predict 15-year survival in community-dwelling older people. Data were obtained from a United Kingdom representative sample of 1042 community-dwelling people aged 65 and over. Outcome was time from 1985 interview to death or censorship on February 29, 2000. Classification and Regression Tree is a non-parametric technique widely used in medical domain classification. We applied CART to the set of risk-factors identified in a previous research. The selected CART model is based on age, dose of drug prescribed and handgrip measures. It predicts survival with a sensitivity rate of 76.3% and a specificity rate of 66.3%. The selection of variables are consistent with previous research. Finally, we observed the range of risk factors and their combination associated with increased and decreased mortality.
Item Type: | Journal Article | ||||
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Subjects: | R Medicine > RA Public aspects of medicine | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Library of Congress Subject Headings (LCSH): | Older people -- Mortality | ||||
Journal or Publication Title: | International Journal of Health Information Management Research | ||||
Publisher: | University of Sheffield | ||||
Official Date: | January 2013 | ||||
Dates: |
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Volume: | Volume 1 | ||||
Number: | Number 1 | ||||
Number of Pages: | 7 | ||||
Page Range: | pp. 48-54 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Date of first compliant deposit: | 28 July 2016 | ||||
Date of first compliant Open Access: | 28 July 2016 | ||||
Conference Paper Type: | Paper | ||||
Title of Event: | 15th International Symposium on Health Information Management Research (ISHIMR 2011) | ||||
Type of Event: | Conference | ||||
Location of Event: | Zurich, Switzerland | ||||
Date(s) of Event: | 8-9 Sep 2011 |
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