S100A8 and pancreatic neoplasm: A meta-analysis conducted based on 2,049 cases and 2,861 controls also showed a reduction in pancreatic cancer risk among those who are infected with H. pylori (summary OR 0.62, 95% CI 0.49–0.76) and CagA seropositive (summary OR 0.66, 95% CI 0.52–0.80) in Asian population28.