Association between autoimmune gastritis and gastric polyps: Clinical characteristics and risk factors

Figure 1 Flow chart depicting the study population and study design. AIG: Autoimmune gastritis.

Figure 2 Group differences between the gastric polyp and without gastric polyp groups. A: Heat map of age and blood biochemical difference between gastric polyp group and without gastric polyp group; B: Heat map of histopathological differences between gastric polyp group and without gastric polyp group. GP: Gastric polyp; NGP: Without gastric polyp; FDR: False discovery rate; PG: Pepsinogen; ECL: Enterochromaffin-like; OLGA: Operative Link on Gastritis Assessment; OLGIM: Operative Link on Gastric Intestinal Metaplasia; PCA: Parietal cell antibody.

Figure 3 The proportion of gastric polyps and autoimmune gastritis patients. HP: Helicobacter pylori; gNET: Gastric neuroendocrine tumor; LGD: Low-grade glandular dysplasia.

Figure 4 Differences among the gastric polyp groups. A: Gastrin-17 differences between groups; B: Age differences between groups; C: Heat map of age and blood biochemical differences between groups; D: Heat map of histopathological differences between groups. HP: Helicobacter pylori; gNET: Gastric neuroendocrine tumor; LGD: Llow-grade glandular dysplasia; FP: Fundic polyps; AL: Adenomas/low-grade glandular dysplasia; AD: Adenocarcinoma; PG: Pepsinogen; OLGA: Operative Link on Gastritis Assessment; FDR: False discovery rate.

Figure 5 Forestplot depicting the results of univariate and multivariate analyses. A: Forest plots for univariate analysis; B: Forest plots for multivariate analysis. OR: Odds ratio; CI: Confidence interval; ECL: Enterochromaffin-like; HP: Helicobacter pylori; PG: Pepsinogen; IFA: Intrinsic factor antibody; OLGA: Operative Link on Gastritis Assessment; OLGIM: Operative Link on Gastric Intestinal Metaplasia; PCA: Parietal cell antibody.

Figure 6 Nomogram, receiver operating characteristic curve, and forest plot depictions. A: Nomogram; B: An example of the nomogram; C: Calibration curve; D: Receiver operating characteristic curve. OLGA: Operative Link on Gastritis Assessment; ECL: Enterochromaffin-like; PCA: Parietal cell antibody; PG: Pepsinogen; AUC: Area under the receiver operating characteristic curve.