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Correcting verification bias in the assessment of the accuracy of diagnostic tests
He, Hua (1969; McDermott, Michael P.; Huang, Li-shan
Sensitivity and specificity are common measures of the accuracy of a diagnostic test. The usual estimators of these … test. The area under the ROC curve (AUC) is the most widely used measure for summarizing the ability of a continuous … is common to estimate the AUC from a bias-corrected ROC curve. The variance of the estimator, however, does not have a …
Persistent link: https://www.econbiz.de/10009482975
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Joint inference about sensitivity and specificity at the optimal cut-off point associated with Youden index
Yin, Jingjing; Tian, Lili - In: Computational Statistics & Data Analysis 77 (2014) C, pp. 1-13
In diagnostic studies, both sensitivity and specificity depend on cut-off point and they are well-known measures for …-off point associated with Youden index depends on both diseased and healthy samples, henceforth, sensitivity and specificity at … confidence region of sensitivity and specificity at the cut-off point determined by the Youden index. A real data set is analyzed …
Persistent link: https://www.econbiz.de/10010871381
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Empirical Likelihood Confidence Intervals for the Sensitivity of a Continuous-Scale Diagnostic Test
Davis, Angela Elaine - 2007
lead to improved treatment and thus reduce medical mistakes. The sensitivity and specificity are two important measurements … confidence interval for the sensitivity at a fixed level of specificity for the test. In this thesis, we propose three empirical … likelihood intervals for the sensitivity. Simulation studies are conducted to compare the empirical likelihood based confidence …
Persistent link: https://www.econbiz.de/10009463421
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Accuracy of MSI Testing in Predicting Germline Mutations of MSH2 and MLH1: A Case Study in Bayesian Meta-Analysis of Diagnostic Tests Without a Gold Standard
Chen, Sining; Watson, Patrice; Parmigiani, Giovanni - Berkeley Electronic Press - 2004
sensitivity and specificity of MSI for detecting germline mutations of mismatch repair genes is critical in genetic counseling and …. In particular we estimate the sensitivity of MSI for detecting mutations of MSH2 and MLH1 to be 0.78 (0 …
Persistent link: https://www.econbiz.de/10005459211
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Grey Wolf Optimization Trained Feed Foreword Neural Network for Breast Cancer Classification
Pal, Shankho Subhra - In: International Journal of Applied Industrial Engineering … 5 (2018) 2, pp. 21-29
Breast cancer is the most common invasive cancer in females worldwide and is major cause of deaths. The diagnoses of breast cancer include mammograms, breast ultrasound, magnetic resonance imaging (MRI), ductogram and biopsy. Biopsy is best and only way to know if the breast tumor is cancerous....
Persistent link: https://www.econbiz.de/10012042877
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Predicting Shoppers' Continuous Buying Intention Using Mobile Apps
Prashar, Sanjeev; Gupta, Priyanka; Parsad, Chandan; … - In: International Journal of Strategic Decision Sciences (IJSDS) 9 (2018) 3, pp. 69-83
The rapid penetration of smartphones and consumers' increased usage/dependence on mobile applications (apps) has ushered favorable opportunities for retailers as well as shoppers. The traditional brick-and-mortar as well as online retailers must attract shoppers to use mobile shopping apps. For...
Persistent link: https://www.econbiz.de/10012047542
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Cost-effectiveness of computed tomography coronary angiography versus conventional invasive coronary angiography
Darlington, Meryl; Gueret, Pascal; Laissy, Jean-Pierre; … - In: The European journal of health economics : HEPAC ; … 16 (2015) 6, pp. 647-655
Persistent link: https://www.econbiz.de/10011299253
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Determining the economic value of ambiguous loan portfolios
Parnes, Dror - In: Finance research letters 13 (2015), pp. 148-154
Persistent link: https://www.econbiz.de/10011552459
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Some economics on personalized and predictive medicine
Antoñanzas Villar, Fernando; Juárez-Castelló, C.A.; … - In: The European journal of health economics : HEPAC ; … 16 (2015) 9, pp. 985-994
Persistent link: https://www.econbiz.de/10011483931
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Assessing mean and median filters in multiple testing for large-scale imaging data
Zhang, Chunming - In: TEST: An Official Journal of the Spanish Society of … 23 (2014) 1, pp. 51-71
A new multiple testing procedure, called the FDR<Subscript> L </Subscript> procedure, was proposed by Zhang et al. (Ann Stat 39:613–642, <CitationRef CitationID="CR12">2011</CitationRef>) for detecting the presence of spatial signals for large-scale 2D and 3D imaging data. In contrast to the conventional multiple testing procedure, the FDR<Subscript> L </Subscript> procedure...</subscript></citationref></subscript>
Persistent link: https://www.econbiz.de/10010994312