In sensitivity analysis 10, we observed only a marginally significant association between ACE inhibitors and gastric cancer (HR: 1.27, 95% CI: 1.02–1.59, p = 0.033), which remained consistent (HR: 1.27, 95% CI: 1.02–1.59, p = 0.033) after adjusting for baseline Helicobacter pylori infection status among participants. Here, ACE is linked to gastric cancer.