• Clinical imaging · Jul 2014

    Interobserver agreement between radiologists and radiology residents and emergency physicians in the detection of PE using CTPA.

    • Bruno Hochhegger, Giordano R T Alves, Marcus Chaves, Ana Luiza Moreira, Renato Kist, Guilherme Watte, José S Moreira, Klaus L Irion, and Edson Marchiori.
    • Medical Imaging Research Lab, Federal University of Health Sciences of Porto Alegre, Porto Alegre, 90020-090, Brazil.
    • Clin Imaging. 2014 Jul 1; 38 (4): 445-447.

    ObjectiveTo assess interobserver agreement between thoracic radiologists, radiology residents, and emergency physicians in diagnosing pulmonary embolism (PE).Materials And MethodsEmergency physicians, radiology residents, and thoracic radiologists evaluated 123 computed tomography pulmonary angiography images. Interobserver agreement was analysed using kappa statistics.ResultsVery good agreements were observed between thoracic radiologists and radiology residents (0.81 and 0.82). Fair and moderate agreements (0.39 and 0.42) were demonstrated between emergency physicians and thoracic radiologists.ConclusionsImportant differences in interobserver agreement were found, with emergency physicians tending to overdiagnose PE.Copyright © 2014 Elsevier Inc. All rights reserved.

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