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Published, Version of Record (VoR)CC BY-NC-ND V4.0, Open
Journal article
Mixture distribution and receiver operating characteristic analysis of bedside chest imaging with screen-film and computed radiography
Academic radiology, v 4(1)
1997
PMID: 9040863
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The authors demonstrated the use of mixture distribution analysis as an alternative to receiver operating characteristic (ROC) analysis in a clinical study, where independent verification of the imaging diagnosis is not always feasible.
ROC and mixture distribution analyses were applied to the blind readings of four radiologists on a stratified, random sample of 95 screen-film radiographs and 95 computed radiographs of the chest obtained from a medical intensive care unit. The imaging diagnosis established by an expert panel was used as the truth for the ROC analysis, and agreement of ratings was used for the mixture distribution analysis.
Both methods yielded similar values for the proportion of correct diagnoses.
Mixture distribution analysis may be useful for comparing imaging techniques in situations where the true imaging diagnosis cannot be established with a method independent of that being evaluated.
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Details
- Title
- Mixture distribution and receiver operating characteristic analysis of bedside chest imaging with screen-film and computed radiography
- Creators
- Harold L. Kundel - University of PennsylvaniaMarcia Polansky - Allegheny College
- Publication Details
- Academic radiology, v 4(1)
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- [Retired Faculty]
- Web of Science ID
- WOS:A1997WF65900001
- Scopus ID
- 2-s2.0-0030639630
- Other Identifier
- 991019168912004721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Radiology, Nuclear Medicine & Medical Imaging