Chemoprevention of gastric cancer development after Helicobacter pylori eradication therapy in an East Asian population: Meta-analysis

Figure 4 Forest plots of the incidence of gastric cancer between Helicobacter pylori-negative and positive groups with atrophic gastritis in studies published in different countries; 10 studies from Japan (A) and 5 from China (B). Forest plots of the incidence of metachronous gastric cancer between Helicobacter pylori-negative and positive groups presenting with gastric cancer in 7 studies from Japan (C) and 15 from South Korea (D). A: Non-gastric cancer patients with atrophic gastritis: Japan; B: Non-gastric cancer patients with atrophic gastritis: China; C: Metachronous gastric cancer: Japan; D: Metachronous gastric cancer: South Korea.