2. METHODS
This study is a cross sectional study conducted of collected data on patients of all age groups, this study was performed on 340 suspected COVID-19 patients, who presented to Chamran Hospital, Shiraz University of Medical Sciences Shiraz, Iran from 20 February to 31 August 2020 and in this study after obtaining permission from the ethics committee and approving the research plan, the clinical and laboratory findings of covid-19 patients were extracted from the electronic medical records of the patients. Information each patient including the evaluation of lungs and kidney involvement in CT scan and sonography and their relationship with laboratory indicator including biochemical and hematological factors for the severity and prognosis of Covid 19 disease was investigated by a trained team of physicians. The data about clinical symptoms, medicine treatment and laboratory parameters were collected by patient record, and based on the doctor’s diagnosis and CT scan reports and PCR test of throat Secretions. Nasal and pharyngeal swab samples and sputum were obtained from patients on admission. We retrospectively analyzed and evaluated the epidemiological history, comorbidity, vital signs, and symptoms obtained from electronic medical records. The data collection forms were reviewed independently by two experienced physicians, and the severity of the disease is determined by the need for ICU, sepsis, involvement of the lungs and other organs, intubation, ventilation, death. The information of each case was completed using a data collection form based on the records recorded in the patient file and the examination of radiological photographs, and a sample of the data collection form was attached. Other variables studied include the need for ICU hospitalization and the time of hospitalization from the onset of symptoms to hospitalization and the need for intubation and ventilation. Problems include ARDS, Renal Injury, Septic Shock and Ventilator Associated Injury. In this study, CT scan reports are examined and the consistency of patients’ deterioration based on these reports with the patient’s fate in the case is examined. Inclusion criteria included, all positive coronavirus patients referred to chamran Hospital, who need to be hospitalized. Exclusion criteria included, deaths before admission to the hospital and positive coronavirus patients or those who for some reason refused to visit the hospital. This project has been approved by the research ethics committee with the code of IR.SUMS.REC. 1399.S605 and project number of 99-10-24-13415 by Shiraz University of Medical Sciences in Shiraz, Iran.