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A Comparison of the Interval Estimations for the Difference in Paired Areas under the ROC Curves
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 Title & Authors
A Comparison of the Interval Estimations for the Difference in Paired Areas under the ROC Curves
Kim, Hee-Young;
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Receiver operating characteristic(ROC) curves can be used to assess the accuracy of tests measured on ordinal or continuous scales. The most commonly used measure for the overall diagnostic accuracy of diagnostic tests is the area under the ROC curve(AUC). When two ROC curves are constructed based on two tests performed on the same individuals, statistical analysis on differences between AUCs must take into account the correlated nature of the data. This article focuses on confidence interval estimation of the difference between paired AUCs. We compare nonparametric, maximum likelihood, bootstrap and generalized pivotal quantity methods, and conduct a monte carlo simulation to investigate the probability coverage and expected length of the four methods.
ROC;AUC;nonparametric method;maximum likelihood method;generalized pivotal quantity;bootstrap;
 Cited by
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