Increased numbers of Foxp3-positive regulatory T cells in gastritis, peptic ulcer and gastric adenocarcinoma

Figure 4 Box plots for the ratio of CD25⁺/CD4⁺ and of Foxp3⁺/CD4⁺ according to acute inflammatory score, chronic inflammatory score, lymphoid follicle number, and Helicobacter pylori infection. Box plots for the ratio of CD25⁺/CD4⁺ and of Foxp3⁺/CD4⁺ according to A: Acute inflammatory score (AIS); B: Chronic inflammatory score (CIS); C: Lymphoid follicle number (LF); D: Helicobacter pylori infection. Data were analyzed using the Mann-Whitney U test. ^aP < 0.05 and ^bP < 0.001. HP: Helicobacter pylori.