In this study, we aimed to compare, retrospectively, the 15-day continuous hemodynamic, laboratory and clinical course of COVID 19 patients to whom we administered short-term (3 days) high-dose (1000 mg) systemic methylprednisolone with those to whom low-dose long-term (2x 40 mg) systemic methylprednisolone was administered.

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.

File records of patients over the age of 18 who were admitted to the General intensive care unit of Biruni University Medical Faculty Hospital between 1 June 2020 and 1 February 2021 with the diagnosis of COVID 19