GPT and urinary bladder cancer: The De Ritis ratio, which is calculated by dividing the aspartate aminotransferase (AST) concentration by the alanine aminotransferase (ALT) concentration [6,7], may predict a prognosis of patients with bladder cancer, renal cell carcinoma, oropharyngeal cancer, pancreatic cancer, cardiac arrest, acute myocardial infarction, or ischemic stroke, and those with SARS-CoV-2 [8,9,10,11,12,13].