To date, the radiology literature on coronavirus disease (COVID-19) pneumonia has consisted of limited retrospective studies that do not substantiate the use of CT as a diagnostic test for COVID-19, according to an open-access article in the American Journal of Roentgenology. Test performance and management issues arise when inappropriate and potentially overreaching conclusions regarding the diagnostic performance of CT for COVID-19 are based on low-quality studies with biased cohorts, confounding variables, and faulty design characteristics.
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