ALDH18A1 and Hepatic fibrosis: The GPR (r = 0.511, P < 0.001) and established non-invasive markers including APRI (r = 0.404, P < 0.001), FIB-4 (r = 0.503, P < 0.001), AAR (r = 0.167, P = 0.007) and RPR (r = 0.421, P < 0.001) were positively correlated with liver fibrosis stages.