GPT and COVID-19: When we compared the clinical-laboratory variables, and AT2R A1675G gene polymorphism, ALT (43.0 ± 46.1 IU/L) level of the COVID-19 patients with lung involvement with AG genotype were higher compared with the GG (25.7 ± 14.9 IU/L) and AA (25.1 ± 15.7 IU/L) genotypes (P = 0.04).