Additional file 1 of Comparison of liver resection and radiofrequency ablation in long-term survival among patients with early-stage hepatocellular carcinoma: a meta-analysis of randomized trials and high-quality propensity score-matched studies

Additional file 1 PRISMA checklis

Additional file 2 of Comparison of liver resection and radiofrequency ablation in long-term survival among patients with early-stage hepatocellular carcinoma: a meta-analysis of randomized trials and high-quality propensity score-matched studies

Additional file 2 Supplementary material: Supplementary material S1: Search strategy. Supplementary material S2 NOS score for PSM studies. Supplementary material S3 Risk bias of RCTs. Supplementary material S4 1-,3-,and 5-year survival rate, disease-free survival rate, and recurrence rate. Supplementary material S5 Forest plot for sensitivity analysis of overall survival and disease-free survival. Supplementary material S6 Funnel plot for overall survival and disease-free survival. Supplementary material S7 Meta-regression. OS, overall survival; DFS, disease-free survival; RFA, radiofrequency ablation. Supplementary material S8 Subgroup analysis for OS and DFS based on modality of RF