Inclusion Criteria:  Between June 1, 2020 and February 1, 2021, hospitalized in the General intensive care unit of Biruni University Medical Faculty Hospital with the diagnosis of COVID 19; patients over 18 years of age; (for the diagnosis of COVID 19; Identification of SARS-CoV-2 by reverse transcription-polymerase chain reaction (RT-PCR) in nasopharyngeal swab or sputum samples and Abnormal lung computed tomography finding (CT) scan finding with <90% oxygen saturation at rest (bilateral, subpleural, peripheral ground glass opacities)  Exclusion Criteria:  Patients with a diagnosis of steroid allergy or developing during treatment; pregnant or lactating women; Patients with active malignancy; Patients taking any immunosuppressive agent.