Patients with clinical diagnosis for COVID-19 disease Patients with acute respiratory distress syndrome (ARDS) PF ratio (the ratio of arterial oxygen partial pressure to fractional inspired oxygen) <200 Patients not having kidney, liver and heart dysfunction according to clinical and laboratory findings

Patients with clinical diagnosis for COVID-19 disease Patients with acute respiratory distress syndrome (ARDS) PF ratio (the ratio of arterial oxygen partial pressure to fractional inspired oxygen) <200 Patients not having kidney, liver and heart dysfunction according to clinical and laboratory findings