Abstract
Chest Radiography (CXR) is typically the first-line imaging modality used for patients with suspected respiratory tract infections, including COVID-19. CXRs may be normal in early or mild disease. Of patients with COVID-19 requiring hospitalization one study has demonstrated that 69% had an abnormal CXR at the initial time of admission, and 80% had radiographic abnormalities sometime during hospitalization [1]. Chest CT findings have been linked to disease severity and prognosis [2], however the prognostic implications of normal vs abnormal CXR findings on presentation to hospital with COVID-19 symptoms is less clear. This retrospective study was conducted to investigate CXR findings at admission and the predictive value in terms of subsequent diagnosis and outcomes in such patients.
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