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Computational and Mathematical Methods in Medicine
Volume 2017 (2017), Article ID 3762651, 14 pages
Research Article

Defining an Optimal Cut-Point Value in ROC Analysis: An Alternative Approach

School of Medicine, Department of Biostatistics, Cukurova University, Saricam, Adana, Turkey

Correspondence should be addressed to Ilker Unal

Received 7 January 2017; Revised 5 April 2017; Accepted 7 May 2017; Published 31 May 2017

Academic Editor: Hiro Yoshida

Copyright © 2017 Ilker Unal. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

Supplementary Table 1: Descriptive statistics of the application example of cut-point finding for Pulse pressure, LVEF, Plasma sodium level and Heart rate in prediction of mortality, from Yildiran et al. (2010).

Supplementary Figure 1: The difference between the optimal cut-points estimated before and after cross-validation is around 0 and the IU method gets the smallest mean absolute difference in all four scenarios.

  1. Supplementary Material