The demographic characteristics, pepsinogen I/II ratio, and integrin α5β1 expressions among the different clinical groups with H. pylori infection.

aOne way ANOVA and post hoc comparisons by the least significant difference test.bDuodenal ulcer vs. Gastritis group, p = 0.048; Duodenal ulcer vs. Gastric cancer group, p = 0.001; Intestinal metaplasia vs. Gastric cancer group, p = 0.004.cGastritis vs. Intestinal metaplasia group, p = 0.05; Gastritis vs. Gastric cancer group, p = 0.027.dChi-square test;eLinear-by-linear association, PG I/II ratiop = 0.004; supranuclear or apical expression, pp = 0.003 in corpus.fKruskal-Wallis one-way ANOVA by ranks and post hoc comparisons by Mann-Whitney U test.gDuodenal ulcer vs. Intestinal metaplasia group, p = 0.036; Gastritis vs. Intestinal metaplasia group, p = 0.017. PG I/II: indicates the ratio of pepsinogen I/pepsinogen II.