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Trainee radiologist reports as a source of confirmation bias in radiology

Lookup NU author(s): Dr Andrew Nanapragasam, Dr Pallav Bhatnagar, Dr Daniel Birchall

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Abstract

© 2018 The Royal College of Radiologists Aim: To assess and quantify the relationship between trainee reporting and radiology errors. Materials and methods: A retrospective analysis of the 100 most recent cases reviewed by a discrepancy forum in a tertiary neuroradiology service was performed. Data on the time of the scan and the presence of a trainee report were collected, with comparison being made between the cohort of erroneous reports and the overall service. Results: Although out-of-hours imaging only constituted 18% of the overall service, 36% of erroneous reports originated from scans performed out-of-hours. Eighteen percent of scans were first reported by a trainee and then checked by a consultant, with the remaining 82% being solely reported by the consultant. Despite this, 52% of errors were from consultant-checked trainee reports. Conclusion: Although out-of-hours imaging has long been associated with error, this study identifies consultant checking of trainee reports as another error-associated reporting context. This is likely to relate to confirmation bias, in which the pre-existing trainee report may result in inattentional blindness on the part of the checking consultant. Awareness of this phenomenon is important for the reduction of error in this specific and widely underestimated reporting context.


Publication metadata

Author(s): Nanapragasam A, Bhatnagar P, Birchall D

Publication type: Article

Publication status: Published

Journal: Clinical Radiology

Year: 2018

Volume: 73

Issue: 12

Pages: 1052-1055

Print publication date: 01/12/2018

Online publication date: 13/09/2018

Acceptance date: 14/08/2018

ISSN (print): 0009-9260

ISSN (electronic): 1365-229X

Publisher: W.B. Saunders Ltd

URL: https://doi.org/10.1016/j.crad.2018.08.003

DOI: 10.1016/j.crad.2018.08.003


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