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논문 기본 정보

자료유형
학술저널
저자정보
김지미 (Department of Cancer Biomedical Science Graduate School of Cancer Science and Policy National Cance) 이정희 (국립암센터) 최일주 (국립암센터) Kim Young Il (Center for Gastric Cancer National Cancer Center Goyang Korea.) Kim Jeongseon (Department of Cancer Biomedical Science Graduate School of Cancer Science and Policy National Canc)
저널정보
한국역학회 Epidemiology and Health Epidemiology and Health Vol.44
발행연도
2022.1
수록면
1 - 13 (13page)
DOI
10.4178/epih.e2022089

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OBJECTIVES: Gastric carcinogenesis is linked to oxidative stress from both exogenous and endogenous exposures. This study aimed to determine the association between the risk of gastric cancer and the oxidative balance score (OBS), which comprises antioxidant and pro-oxidant factors, including diet and lifestyle. METHODS: For this hospital-based case-control study, 808 controls and 404 patients with gastric cancer who had clinical re cords indicating Helicobacter pylori infection and the histological subtype of cancer were recruited. The OBS was determined based on diet and lifestyle factors obtained from a 106-item semiquantitative food frequency questionnaire and a constructed questionnaire. Logistic regression analysis was used to estimate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS: A higher OBS was associated with a reduced gastric cancer risk (OR, 0.49; 95% CI T3 vs. T1, 0.33 to 0.71; p for trend < 0.001). In a subgroup analysis, antioxidant factors showed inverse associations with gastric cancer risk (OR, 0.53; 95% CI T3 vs. T1, 0.35 to 0.79; p for trend= 0.003). A stronger association with antioxidant factors was observed in patients with intestinal gas tric cancer (OR, 0.34; 95% CI T3 vs. T1, 0.19 to 0.62; p for trend< 0.001) and those with H. pylori infection (OR, 0.57; 95% CI T3 vs. T1, 0.37 to 0.88; p for trend= 0.014). CONCLUSIONS: A predominance of antioxidant factors compared to pro-oxidant factors from diet and lifestyle reduced the risk of gastric cancer. The combined effect of oxidative stress, which involves an altered balance between antioxidants and pro-oxidants, is important for modulating the risk of gastric cancer.

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