risk factors and prognosis; an effort to predict the severity of covid-19

Background: up to this time, screening for people infected with coronavirus disease 2019 (covid-19) relies on clinical symptoms. as a result, our study focused on establishing a relationship between clinical manifestations, risk factors, and the prognosis of covid-19 for prompt intervention.methods: this cross-sectional study was performed on patients with positive covid-19 tests in shiraz, iran, from 2020 through 2021. patients were randomly selected from those registered as covid-19 positive in various family clinics affiliated with shiraz university of medical sciences health centers. a telephone interview was conducted to gather necessary data about the clinical symptoms of 401 patients, their risk factors, and their prognosis of the disease in two weeks.results: body pain, followed by fever, were the most reported symptoms. except for dyspnea that was related to hospitalization, no relation was found between initial clinical symptoms and hospitalization or 2-week recovery. we observed a statistically significant difference between different blood groups of patients concerning their rate of hospitalization and recovery after two weeks. a significant relationship between hypertension and hospitalization was seen.conclusion: body pain, fever, certain demographic aspects (such as older age), and comorbidities like hypertension showed strong associations with the severity and prognosis of covid-19. our results add to the growing body of evidence suggesting blood type may play a role in the prognosis of covid-19.