Fig. 2. Total efficacy of H. pylori eradication for the prevention of metachronous recurrence after endoscopic resection of EGC. H. pylori, Helicobacter pylori; EGC, early gastric cancer; ITT, intention-to-treat. The size of each square is proportional to the study's weight. Diamond is the summary estimate from the pooled studies (random effect model, including studies with ITT analysis).