GPT and susceptibility to pneumonia measurement: The clinical parameters and blood tests upon admission of the COVID-19 patients included PAO2/FiO2, extent of lung injury (pneumonia), fibrinogen, D-dimer, platelet count, mean platelet volume (MPV), neutrophil to lymphocyte ratio (NLR), ferritin, ALT, AST, BUN, creatinine, sodium, phosphor, HDL and triglycerides.