Diagnostic accuracy of radiographers’ red dot usage in the emergency department

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dc.contributor.authorO'Leary, Mary Bethen
dc.contributor.authorEngland, Andrewen
dc.contributor.authorCurran, Grainneen
dc.contributor.authorFlynn, Katieen
dc.contributor.authorRyan, Marieen
dc.contributor.authorThompson, Johnen
dc.contributor.authorAlbeshan, Salmanen
dc.contributor.authorAlashban, Yazeeden
dc.contributor.authorMcEntee, Mark F.en
dc.contributor.funderKing Saud Universityen
dc.date.accessioned2025-02-06T16:39:12Z
dc.date.available2025-02-06T16:39:12Z
dc.date.issued2023-12-28en
dc.description.abstractAim: To investigate the accuracy of radiographers applying the ‘Red Dot System’ after completing a 10-week online image interpretation course and whether observer confidence plays a role in diagnostic performance. Materials and methods: Eligible participating radiographers undertook diagnostic accuracy testing. Tests involved a review of an anonymised historic trauma image set, and participants were asked to apply a ‘red dot’ to study radiographs if a radiographic pathology was evident. The diagnostic accuracy of radiographers' red dot ability was evaluated by generating a sensitivity, specificity and accuracy score for each participant. A Receiver Operating Curve (ROC) was also compiled to evaluate the participants' ability and confidence in discriminating the presence or absence of pathology. Results: A total of 700 cases were analysed. Fourteen participating radiographers had an overall red dot (case-based) sensitivity, specificity and accuracy of 85%, 86% and 85%, respectively. Positive and negative predictive values (PPV/NPV) were both 86%. Radiographers’ pathology-based sensitivity, specificity, and accuracy were 87%, 79%, and 83%, respectively. A resultant ROC curve generated an Area Under the Curve (AUC) value of 0.7. Conclusion: Compared to the literature, participating radiographers’ red dot skills could be considered acceptable but would benefit from improvement. We recommend that future work be carried out whereby participants at the study institution engage in a period of self-audit of their red dot practice and undertake additional diagnostic accuracy tests.en
dc.description.sponsorshipKing Saud University (Researchers Supporting Project number:RSPD2023R780)en
dc.description.statusPeer revieweden
dc.description.versionPublished Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.articleid100795en
dc.identifier.citationO'Leary, M. B., England, A., Curran, G., Flynn, K., Ryan, M., Thompson, J., Albeshan, S., Alashban, Y. and McEntee, M. F. (2024) 'Diagnostic accuracy of radiographers’ red dot usage in the emergency department', Journal of Radiation Research and Applied Sciences, 17(1), 100795 (5pp). https://doi.org/10.1016/j.jrras.2023.100795en
dc.identifier.doihttps://doi.org/10.1016/j.jrras.2023.100795en
dc.identifier.endpage5en
dc.identifier.issn1687-8507en
dc.identifier.issued1en
dc.identifier.journaltitleJournal of Radiation Research and Applied Sciencesen
dc.identifier.startpage1en
dc.identifier.urihttps://hdl.handle.net/10468/17005
dc.identifier.volume17en
dc.language.isoenen
dc.publisherElsevier Ltd.en
dc.relation.ispartofJournal of Radiation Research and Applied Sciencesen
dc.rights© 2023,the Authors. Published by Elsevier B.V. on behalf of The Egyptian Society of Radiation Sciences and Applications. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)en
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.subjectRed doten
dc.subjectRadiographyen
dc.subjectIrelanden
dc.subjectDiagnostic radiographersen
dc.titleDiagnostic accuracy of radiographers’ red dot usage in the emergency departmenten
dc.typeArticle (peer-reviewed)en
oaire.citation.issue1en
oaire.citation.volume17en
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