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An aid in assessing whether a risk factor might be a worthwhile screening test: a Risk-Screening Converter

Version 2

This version has an additional page which calculates the likelihood ratio for an individual test result in sd units (or centiles) for a specified odds ratio.  Version 1, without this additional page, is described in:
  • Wald NJ, Morris JK. Assessing risk factors as potential screening tests. A simple assessment tool. Arch Intern Med 2010.

Risk Screening Converter Version 2 sample graph
Right-click the graph and then click "save target as", "save link as" or similar to download the Risk Screening Converter, Version 2
(MS Excel 2003, 324k)

 

 
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by Wolfson Institute Website Manager © Queen Mary, University of London 2011
Centre for Environmental and Preventive Medicine, Wolfson Institute of Preventive Medicine, Barts and The London, Charterhouse Square, London EC1M 6BQ Tel: 020 7882 3850 Fax: 020 7882 6270