Fig. 3. Forest plot of subgroup analysis revealing the association between high ASAL score and overall survival across training and validation cohorts. Hazard ratios were adjusted for age, sex, hepatitis B virus antigen S status, anti-hepatitis C virus antibody status, largest tumor size, tumor count, and alpha-fetoprotein levels. ASAL, aspartate aminotransferase-albumin; CI, confidence interval; BCLC, Barcelona Clinic Liver Cancer; TNM, American Joint Committee on Cancer tumor, node, metastasis.