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. 2014 Jul 15;1(2):ofu045. doi: 10.1093/ofid/ofu045

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© The Author 2014. Published by Oxford University Press on behalf of the Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com.

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Figure 4. — (A) Net reclassification improvement (NRI) of using the electronic medical record (EMR) model to classify patients as high risk or low risk versus the Curated model. (B) Confusion matrices for both the EMR model and the Curated model, using a decision threshold based on the 95th percentile. (C) Histogram of when patients in the validation set tested positive for pathogenic C difficile and the number patients correctly identified as high risk in each group, using the EMR model with same decision threshold as in 4(B).