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Panel A, Forest plot of meta-analysis with random effect model of the disease-free survival (DFS) of patients with nonalcoholic fatty liver disease (NAFLD) after hepatic resection for hepatocellular carcinoma compared to patients with other risk factors. Panel B, Subgroup analysis comparing NAFLD patients with patients with non-viral risk factors (alcoholic or cryptogenic cirrhosis) and with viral hepatitis (B or C).
