COVID-19(7) Result(6) objective(6) COVID-19 pandemic(4) conducted(3) participant(3) Patient(3) Treatment(3) coronavirus disease(3) control group(3) Intervention(3) MOST(2) Research(2) Factor(2) Diagnosis(2) SARS-CoV-2(2) significantly(2) Clinical features(2) moderate(2) treated(2) changes in(2) Affect(2) risk(2) كوفيد-١٩(2) with COVID-19(2) Mortality(2) pandemic(2) reported(2) questionnaire(2) collected(2)