Pengfei Liu , Kai Lou , Yangchun Zhang , Peng Zhao , Wang Zhou
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引用次数: 0
Abstract
In recent years, a substantial of biomarkers have surfaced to facilitate the prompt diagnosis and intervention of chronic kidney disease. However, the lack of a reliable approach to compare biomarker efficacy poses a significant challenge in clinical practice and biomedical research. The inability to accurately assess biomarkers’ performance limits their utility in disease diagnosis. In this article, we study the efficiency of different diagnostic markers by comparing the areas under the receiver operating characteristic curves of markers, which are estimated via the Wilcoxon–Mann–Whitney statistics. Furthermore, the precision of interval estimation was enhanced through the implementation of the Edgeworth expansion and bootstrap approximation on the statistics. By performing numerical simulations, we have demonstrated that our improved methods exhibit superior accuracy in constructing confidence intervals when compared to the traditional normal approximation method.
期刊介绍:
The Journal of Statistical Planning and Inference offers itself as a multifaceted and all-inclusive bridge between classical aspects of statistics and probability, and the emerging interdisciplinary aspects that have a potential of revolutionizing the subject. While we maintain our traditional strength in statistical inference, design, classical probability, and large sample methods, we also have a far more inclusive and broadened scope to keep up with the new problems that confront us as statisticians, mathematicians, and scientists.
We publish high quality articles in all branches of statistics, probability, discrete mathematics, machine learning, and bioinformatics. We also especially welcome well written and up to date review articles on fundamental themes of statistics, probability, machine learning, and general biostatistics. Thoughtful letters to the editors, interesting problems in need of a solution, and short notes carrying an element of elegance or beauty are equally welcome.