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. 2020 Aug 7;12:100640. doi: 10.1016/j.ssmph.2020.100640

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© 2020 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 2 — Spatial application of the Sensitivity/Specificity approach to Census Tracts (CT) in Pennsylvania using Liver Cancer Disease Cluster Data and the 3 Standard Demographic Variables (%Black, %Hispanic, %born 1950–1959) from the U.S. Census. Note: Sensitivity = True Positive/(True Positive + False Negative)*100 – 80.6%Specificity = True Negative/(False Positive + True Negative)*100 – 54.8%Positive Predictive Value = True Positive/(True Positive + False Negative)*100 - 20.3% Negative Predictive Value = True Negative/(True Negative + False Negative)*100 – 95.2%.