GPT and esophageal varices: In another study, various markers including aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratio (AAR), AST to platelet ratio index (APRI), platelet count to spleen diameter (PC/SD), fibrosis-4-index (FIB-4), fibrosis index (FI), and King’s Score were evaluated for their predictive efficacy in esophageal variceal bleeding among Albanian patients diagnosed with liver cirrhosis.