Ethnic difference of Helicobacter pylori gastritis: Korean and Japanese gastritis is characterized by male- and antrum-predominant acute foveolitis in comparison with American gastritis

Figure 3 Interstitial neutrophilic infiltration. In the antrum, the overall prevalence was higher in Koreans, followed by Americans and Japanese (P<0.01). High-grade infiltration was in the order of Koreans, Japanese, and Americans (P<0.01). In the body, it was higher in Americans and Koreans than in Japanese (P<0.01). Grade 0: no infiltration; grade 1: mild degree; grade 2: moderate to severe degree infiltration.