On the use of min-max combination of biomarkers to maximize the partial area under the ROC curve
type: Item
instance of: scholarly article
title: On the use of min-max combination of biomarkers to maximize the partial area under the ROC curve
zbMATH Open document ID: 1431.62502
DOI: 10.1155/2019/8953530
author: Hua Ma
author: Susan Halabi
author: Aiyi Liu
author: Yichuan Zhao
published in: Journal of Probability and Statistics
publication date: 2019-03-21T00:00:00Z
review text: Summary: \textit{Background}. Evaluation of diagnostic assays and predictive performance of biomarkers based on the receiver operating characteristic (ROC) curve and the area under the ROC curve (AUC) are vital in diagnostic and targeted medicine. The partial area under the curve (pAUC) is an alternative metric focusing on a range of practical and clinical relevance of the diagnostic assay. In this article, we adopt and extend the min-max method to the estimation of the pAUC when multiple continuous scaled biomarkers are available and compare the performances of our proposed approach with existing approaches via simulations. \textit{Methods}. We conducted extensive simulation studies to investigate the performance of different methods for the combination of biomarkers based on their abilities to produce the largest pAUC estimates. Data were generated from different multivariate distributions with equal and unequal variance-covariance matrices. Different shapes of the ROC curves, false positive fraction ranges, and sample size configurations were considered. We obtained the mean and standard deviation of the pAUC estimates through re-substitution and leave-one-pair-out cross-validation. \textit{Results}. Our results demonstrate that the proposed method provides the largest pAUC estimates under the following three important practical scenarios: (1) multivariate normally distributed data for nondiseased and diseased participants have unequal variance-covariance matrices; or (2) the ROC curves generated from individual biomarker are relative close regardless of the latent normality distributional assumption; or (3) the ROC curves generated from individual biomarker have straight-line shapes. \textit{Conclusions}. The proposed method is robust and investigators are encouraged to use this approach in the estimation of the pAUC for many practical scenarios.
Mathematics Subject Classification ID: 62P10
zbMATH DE Number: 7039898
Wikidata QID: Q64240250
MaRDI profile type: Publication
full work available at URL: https://doi.org/10.1155/2019/8953530
OpenAlex ID: W2914482712
cites work: Q3150943
cites work: Q4792072
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description: scientific article; zbMATH DE number 7039898