Forest plots of prognostic factors for OS and RFS in HCC patients. (A) The optimal prognostic factors for OS in the multivariate analysis in the training cohort. (B) The optimal prognostic factors for RFS in the multivariate analysis in the training cohort. OS, overall survival; RFS, recurrence-free survival; HCC, hepatocellular carcinoma; SO, sarcopenic obesity; LMR, lymphocyte-monocyte ratio; AFP, alpha-fetoprotein; AJCC, American Joint Committee on Cancer 8th edition.