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Evidence Levels for Neuroradiology Articles: Low Agreement Among Raters

dc.contributor.authorRamalho, J
dc.contributor.authorTedesqui, G
dc.contributor.authorRamalho, M
dc.contributor.authorAzevedo, RS
dc.contributor.authorCastillo, M
dc.date.accessioned2018-08-06T14:53:23Z
dc.date.available2018-08-06T14:53:23Z
dc.date.issued2015-06
dc.description.abstractBACKGROUND AND PURPOSE: Because evidence-based articles are difficult to recognize among the large volume of publications available, some journals have adopted evidence-based medicine criteria to classify their articles. Our purpose was to determine whether an evidence-based medicine classification used by a subspecialty-imaging journal allowed consistent categorization of levels of evidence among different raters. MATERIALS AND METHODS: One hundred consecutive articles in the American Journal of Neuroradiology were classified as to their level of evidence by the 2 original manuscript reviewers, and their interobserver agreement was calculated. After publication, abstracts and titles were reprinted and independently ranked by 3 different radiologists at 2 different time points. Interobserver and intraobserver agreement was calculated for these radiologists. RESULTS: The interobserver agreement between the original manuscript reviewers was -0.2283 (standard error = 0.0000; 95% CI, -0.2283 to -0.2283); among the 3 postpublication reviewers for the first evaluation, it was 0.1899 (standard error = 0.0383; 95% CI, 0.1149-0.2649); and for the second evaluation, performed 3 months later, it was 0.1145 (standard error = 0.0350; 95% CI, 0.0460-0.1831). The intraobserver agreement was 0.2344 (standard error = 0.0660; 95% CI, 0.1050-0.3639), 0.3826 (standard error = 0.0738; 95% CI, 0.2379-0.5272), and 0.6611 (standard error = 0.0656; 95% CI, 0.5325-0.7898) for the 3 postpublication evaluators, respectively. These results show no-to-fair interreviewer agreement and a tendency to slight intrareviewer agreement. CONCLUSIONS: Inconsistent use of evidence-based criteria by different raters limits their utility when attempting to classify neuroradiology-related articles.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAJNR Am J Neuroradiol. 2015 Jun;36(6):1039-42.pt_PT
dc.identifier.doi10.3174/ajnr.A4242pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.17/3010
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherAmerican Society of Neuroradiologypt_PT
dc.subjectEvidence-Based Medicinept_PT
dc.subjectHumanspt_PT
dc.subjectObserver Variationpt_PT
dc.subjectPeriodicals as Topicpt_PT
dc.subjectCHLC NRADpt_PT
dc.titleEvidence Levels for Neuroradiology Articles: Low Agreement Among Raterspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1042pt_PT
oaire.citation.issue6pt_PT
oaire.citation.startPage1039pt_PT
oaire.citation.titleAmerican Journal of Neuroradiologypt_PT
oaire.citation.volume36pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT

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