Extension of Coronavirus Disease 2019 on Chest CT and Implications for Chest Radiographic Interpretation

Abstract

QCT_mass varied among patients with COVID-19. Chest radiographs had high specificity for detecting lung opacities in COVID-19 but a low sensitivity. QCT_mass and combined opacity volume were significant determinants of opacity visibility on radiographs.Earlier incorrect version appeared online. This article was corrected on April 6, 2020 and December 14, 2020.<i>Supplemental material is available for this article.</i>© RSNA, 2020.