GPT and Hepatic fibrosis: Eight validated non-invasive liver fibrosis indices were calculated (19): FIB-4 index, modified FIB-4 index (mFIB-4), fibrosis-5 index (FIB-5), AST to platelet ratio index (APRI), Forns index, AST/ALT ratio (ARR), AST/ALT-PLT ratio index (AARPRI), and liver fibrosis index (LFI).