Confidence interval construction for the Youden index based on partially validated series
Publication in refereed journal

香港中文大學研究人員

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摘要Confidence 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.
著者Poon WY, Qiu SF, Tang ML
期刊名稱Computational Statistics and Data Analysis
出版年份2015
月份4
卷號84
出版社ELSEVIER SCIENCE BV
頁次116 - 134
國際標準期刊號0167-9473
電子國際標準期刊號1872-7352
語言英式英語
關鍵詞Confidence interval; Method of variance estimates recovery; Youden index
Web of Science 學科類別Computer Science; Computer Science, Interdisciplinary Applications; Mathematics; Statistics & Probability

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