Each group had a higher risk of COVID-19 infection and of more severe illness, and this risk is even higher in cases of advanced fibrosis estimated using the BARD score (a simple score based on the body mass index (BMI), aspartate aminotransferase (AST)/alanine aminotransferase (ALT) ratio, and presence of type 2 diabetes) [23]. This evidence concerns the gene GPT and type 2 diabetes mellitus.