Confidence interval construction for the Youden index based on partially validated series
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AbstractConfidence interval construction for the Youden index of a diagnostic test based on partially validated series with dichotomous response is considered in this article. Using the Wald and Agresti-Coull, the Wilson score, logit-transformation and the method of variance estimates recovery, eight methods for constructing confidence intervals for a single Youden index and nine methods for the difference between two independent Youden indices are developed. Comparisons among the various methods with respect to their empirical coverage probabilities and confidence interval widths are conducted through simulation studies over a variety of parameter settings. Based on the simulation results, recommendations for practical use under different conditions are provided. A real aplastic anemia data set is used to illustrate the proposed methods. (C) 2014 Elsevier B.V. All rights reserved.
All Author(s) ListPoon WY, Qiu SF, Tang ML
Journal nameComputational Statistics and Data Analysis
Year2015
Month4
Volume Number84
PublisherELSEVIER SCIENCE BV
Pages116 - 134
ISSN0167-9473
eISSN1872-7352
LanguagesEnglish-United Kingdom
KeywordsConfidence interval; Method of variance estimates recovery; Youden index
Web of Science Subject CategoriesComputer Science; Computer Science, Interdisciplinary Applications; Mathematics; Statistics & Probability

Last updated on 2021-17-01 at 01:51