期刊
EUROPEAN JOURNAL OF RADIOLOGY
卷 167, 期 -, 页码 -出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ejrad.2023.111032
关键词
Computed Tomography; Diagnostic Errors; Workload
The purpose of this study is to investigate the relationship between workload and diagnostic errors on clinical CT scans. The findings suggest that there is a significant association between workload exceeding 100% and diagnostic errors. Diagnostic errors occur throughout the day in clinical CT scans, with no increase towards the end of the day.
Purpose: To determine the association between workload and diagnostic errors on clinical CT scans.Method: This retrospective study was performed at a tertiary care center and covered the period from January 2020 to March 2023. All clinical CT scans that contained an addendum describing a perceptual error (i.e. failure to detect an important abnormality) in the original report that was issued on office days between 7.30 a.m. and 18.00 p.m., were included. The workload of the involved radiologist on the day of the diagnostic error was calculated in terms of relative value units, and normalized for the known average daily production of each individual radiologist (workload(normalized)). A workload(normalized) of less than 100% indicates relative work underload, while a workload(normalized) of > 100% indicates relative work overload in terms of reported examinations on an individual radiologist's basis.Results: A total of 49 diagnostic errors were included. Top-five locations of diagnostic errors were lung (n = 8), bone (n = 8), lymph nodes (n = 5), peritoneum (n = 5), and liver (n = 4). Workload(normalized) on the days the diagnostic errors were made was on average 121% (95% confidence interval: 106% to 136%), which was significantly higher than 100% (P = 0.008). There was no significant upward monotonic trend in diagnostic errors over the course of the day (Mann-Kendall tau of 0.005, P = 1.000), and there were no other notable temporal trends either.Conclusions: Radiologists appear to have a relative work overload when they make a diagnostic error on CT. Diagnostic errors occurred throughout the entire day, without any increase towards the end of the day.
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