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Subject Area

Radiology and Imaging Sciences

Article Type

Original Study

Abstract

Objective To detect the degree of illness in a computed tomography (CT) scan of coronavirus disease 2019 (COVID-19) infection based on disease lobe lesions and correlate that value with the patient's blood oxygen saturation level to further predict oxygen therapy needs. Background The indicators of lung lesions in COVID-19-infected patients help manage and speed up the entire hospital workflow, as patients with higher severity scores require early therapeutic intervention and critical care. Patients and methods This was a prospective descriptive study done at our Department of Radiology. It included 100 patients who underwent a chest CT scan without contrast from June 2020 to November 2021 and were confirmed to have COVID-19 infection by PCR. All patients underwent complete medical history, laboratory tests, pulse oximetry, and radiological examination using high-resolution CT technology. Results There was a statistically significant increase in CT chest score in severe disease cases compared with mild severity cases. There was a statistically significant increase in CT score in cases with decreased oxygen saturation compared with those with normal oxygen saturation (O2) saturation. There was a statistically significant relation between the severity of lung affection and O2 saturation. Conclusion O2 saturation and CT chest are the first lines for rapid evaluation and patient stratification of COVID-19-infected patients. These cases require careful and close monitoring, as their strong correlation with oxygen saturation helps predict the need for oxygen therapy throughout the disease.

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