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Jasmine tea consumption and upper gastrointestinal cancer in China

机译：中国茉莉花茶消费与上消化道癌症

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Introduction: Epidemiological data on green/jasmine tea and esophageal as well as gastric cancer are limited and inconclusive. Methods: In order to study the effect of jasmine tea in upper gastrointestinal (UGI) cancers, we evaluated 600 esophageal squamous cell carcinoma (ESCC), 598 gastric cardia cancer (GCA), and 316 gastric non-cardia cancer (GNCA) cases and 1,514 age-, gender-, and neighborhood-matched controls. Odds ratios (ORs) and 95% confidence intervals (CIs) were estimated from logistic regression adjusted for matching factors and potential confounders. Results: Among controls, 35% of males and 8% of females reported consumption of jasmine tea; other tea consumption was rare. Consumption of jasmine tea (ever vs. never) was not associated with risk of ESCC (OR = 1.15, 95% CI 0.92-1.44), GCA (OR = 1.14, 95% CI 0.88-1.37), or GNCA (OR = 0.85, 95% CI 0.64-1.15) in males and females combined. Among males, cumulative lifetime consumption showed a significant positive dose-response relation with ESCC risk, but not for GCA and GNCA. In exploratory analyses, occupation affected the relation between tea and ESCC such that consumption in males was associated with increased risk only in non-office workers. Conclusion: Overall, we found no evidence for a protective effect of tea in esophageal or gastric cancer. Further studies of the potential effects of thermal damage, tea quality, and water quality on UGI cancers are suggested.
机译：简介：关于绿茶/茉莉花茶，食道癌和胃癌的流行病学数据有限，尚无定论。方法：为了研究茉莉花茶在上消化道（UGI）癌症中的作用，我们评估了600例食道鳞状细胞癌（ESCC），598例胃card门癌（GCA）和316例胃非-门癌（GNCA）病例，以及1,514个年龄，性别和邻里匹配的对照。根据匹配因子和潜在混杂因素进行调整后的逻辑回归，可以估计几率（OR）和95％置信区间（CI）。结果：在对照组中，有35％的男性和8％的女性报告了茉莉花茶的消费。其他茶叶消费很少。食用茉莉花茶（从没过与从不）与ESCC（OR = 1.15，95％CI 0.92-1.44），GCA（OR = 1.14，95％CI 0.88-1.37）或GNCA（OR = 0.85）的风险无关。 ，男性和女性合计为95％CI 0.64-1.15）。在男性中，终生累积食用量与ESCC风险呈显着的正剂量反应关系，但GCA和GNCA则不然。在探索性分析中，职业影响了茶与ESCC之间的关系，因此，男性食用仅与非办公室工作人员的患病风险增加相关。结论：总的来说，我们没有发现茶对食道或胃癌有保护作用的证据。建议进一步研究热损伤，茶品质和水质对UGI癌症的潜在影响。

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