Association of Current Infection and Metabolic Factors with Gastric Cancer in 35,519 Subjects: A Cross-sectional Study
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Background: The effect of current infection of on gastric cancer has rarely been studied in a large population. We investigated the association of current infection and metabolic factors with gastric cancer in a large population.
Methods: Persons who made their first visit to the National Cancer Center for a health examination, including endoscopy and testing using gastric tissue between 2003 and 2013, were included. The association of with gastric cancer was estimated using odds ratios (ORs) and 95% confidence intervals (CIs).
Results: Among 35,519 people, 113 gastric cancer and 158 gastric dysplasia cases were detected. In the adjusted analysis, gastric cancer was associated with current infection (OR, 2.39; 95% CI, 1.53-3.74), age (OR, 1.06; 95% CI 1.04-1.08), first-degree relatives with gastric cancer (OR, 2.08; 95% CI, 1.30-3.32) and hyperglycaemia (OR, 1.66; 95% CI, 1.04-2.65), whereas it was inversely associated with high-density lipoprotein (HDL) (OR, 0.49; 95% CI, 0.22-0.94). In the subanalysis, gastric cancer was associated with first-degree relatives with gastric cancer (OR, 3.23; 95% CI, 1.39-7.50) in the absence of , whereas it was associated with hyperglycaemia (OR, 1.98; 95% CI, 1.16-3.39) in the presence of
Conclusions: Gastric cancer was associated with current infection, hyperglycaemia, and low HDL levels in a large population.
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