Our findings suggest that, in comparison to those of uninfected patients, the main effects of the Omicron variant on patients during the perioperative period, one month post-infection, are as follows: a mild increase in blood coagulability, primarily characterized by a slight increase in fibrinogen levels; a mild decrease in albumin, globulin, and AST/ALT; slight elevation in ALT levels; a mild decrease in WBC and eosinophil counts; mild anemia in the CBC; and a mild decrease in uric acid in kidney function. This evidence concerns the gene GPT and anemia.