GPT and fibrosis: Out of the three indirect biomarkers of fibrosis investigated (FIB4, APRI and AST:ALT ratio), AST:ALT ratios trended towards being higher in the advanced fibrosis group (median 1.5, IQR 1.0–2.16), than in the group with lower ELF scores (median 1.26, IQR 0.8–1.6; p = 0.074).