PMC:7386785 / 87065-88091 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7386785","sourcedb":"PMC","sourceid":"7386785","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7386785","text":"Purpose: diagnosis COVID‐19 pneumonia ‐ to identify differences in CT imaging and clinical manifestations between pneumonia patients with and without COVID‐19, and to develop and validate a diagnostic model for COVID‐19 based on radiological semantic and clinical featuresDesign: cross‐sectional multicentre retrospective studyRecruitment:\u2028cases: consecutive patients with COVID‐19 admitted in 5 independent hospitals\u2028controls: at the same period, another 66 consecutive pneumonia patients without COVID‐19 from Meizhou People’s HospitalSample size: n = 136 (cases = 70)Inclusion criteria: patients admitted with COVID‐19 pneumonia (cases) and patients admitted with non‐COVID‐19 pneumonia (controls)Exclusion criteria: not specified for cases except those from 1 hospital (Meizhou), for cases and controls in Meizhou: after chest CT neoplasm, tuberculosis, pulmonary oedema, pulmonary contusion, aspiration pneumonia, bronchitis, any local or systemic treatment before CT scan, normal CT image without epidemiological 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