GPT and COVID-19: Based on initial univariate analysis of epidemiological, clinical and laboratory variables the authors identified 11 significant risk factors for severe/critical COVID-19, including increased operating rooms (ORs) of age ≥50 years, period between illness onset and hospital visit, sputum production, any existing medical condition, multiple lung infection, ALT and lactate dehydrogenase (LDH) levels, glucose and C reactive protein (CRP) concentrations, as well as decreased OR of the infected area [4].