| Multireader, multicase receiver operating characteristic methodology: a bootstrap analysis. | |
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MedLine Citation:
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PMID: 9419615 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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RATIONALE AND OBJECTIVES: We evaluated by bootstrapping the conclusions obtained by the Dorfman-Berbaum-Metz (DBM) receiver operating characteristic (ROC) method and by the Toledano-Gatsonis (TG) method on a well-known data set. METHODS: We bootstrapped in two ways, resampled cases while holding readers fixed and resampled both cases and readers. RESULTS: When an analysis of variance of pseudovalues implies that reader variance and all random interactions with treatment are essentially zero, then case-resampling bootstrap and the DBM and TG methods should give the same results. Case-resampling bootstrap and the DBM and TG methods did give highly similar results for both individual readers and the averages over all readers. Both the case-resampling bootstrap and the reader-case resampling bootstrap gave smaller standard errors for group than for individual reader means, thereby providing evidence for a trade-off of readers and cases with regard to precision and power in this data set. CONCLUSION: Case-resampling bootstrap provides some justification for the DBM and TG methods. |
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Authors:
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D D Dofrman; K S Berbaum; R V Lenth |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S. |
Journal Detail:
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Title: Academic radiology Volume: 2 ISSN: 1076-6332 ISO Abbreviation: Acad Radiol Publication Date: 1995 Jul |
Date Detail:
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Created Date: 1998-02-10 Completed Date: 1998-02-10 Revised Date: 2007-11-14 |
Medline Journal Info:
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Nlm Unique ID: 9440159 Medline TA: Acad Radiol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 626-33 Citation Subset: IM |
Affiliation:
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Department of Psychology, University of Iowa, Iowa City 52242, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Analysis of Variance Confidence Intervals Humans Infant, Newborn Likelihood Functions Models, Statistical Psychophysics / methods ROC Curve* Radiography / statistics & numerical data* Reproducibility of Results |
| Grant Support | |
ID/Acronym/Agency:
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R01 CA 42453/CA/NCI NIH HHS; R01 CA 62362/CA/NCI NIH HHS |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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