PMC:7160614 / 7486-8615 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7160614","sourcedb":"PMC","sourceid":"7160614","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7160614","text":"Image and clinical data collection\nThe chest CT imaging data without contrast material enhancement were obtained from multiple hospitals with different CT systems, including GE CT Discovery 750 HD (General Electric Company), SCENARIA 64 CT (Hitachi Medical), Philips Ingenuity CT (PHILIPS), and Siemens SOMATOM Definition AS (Siemens). All images were reconstructed into 1-mm slices with a slice gap of 0.8 mm. Detailed acquisition parameters were summarized in the Supplementary Material (Table E1).\nThe clinical history, nursing records, and laboratory findings were reviewed for all patients. Clinical characteristics, including demographic information, daily body temperature, blood pressure, heart rate, clinical symptoms, and history of exposure to epidemic centers, were collected. Total white blood cell (WBC) counts, lymphocyte counts, ratio of lymphocyte, neutrophil count, ratio of neutrophil, procalcitonin (PCT), C-reactive protein level (CRP), and erythrocyte sedimentation rate (ESR) were measured. All threshold values chosen for laboratory metrics were based on the normal ranges set by each individual 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