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目的研究饮用农田果园周边水源水与消化道恶性肿瘤发病的关系。方法应用回顾性队列研究比较饮用农田周边水源水与饮用非农田周边水人群的消化道恶性肿瘤发病率,分析恶性肿瘤的发生与饮用水水源的关系。结果饮用农田果园周边水人群的消化道恶性肿瘤的标准化累积发病率(293.62/10万)高于非暴露人群(69.39/10万)(P<0.01)。暴露组与对照组其他恶性肿瘤的发病率比较差异无统计学意义(P>0.05)。结论以农田果园周边水为饮用水是消化道恶性肿瘤高发的危险因素。
Objective To study the relationship between drinking water sources around drinking orchards and the incidence of gastrointestinal malignancies. Methods A retrospective cohort study was conducted to compare the incidence of gastrointestinal malignancies between drinking water sources in peripheral areas of drinking farmland and surrounding non-farm drinking water and to analyze the relationship between the incidence of malignant tumors and drinking water sources. Results The standardized cumulative incidence of digestive tract malignancies (293.62 / 100 000) in drinking water groups around the orchards was higher than that in non-exposed groups (69.39 / 100 000) (P <0.01). There was no significant difference in the incidence of other malignant tumors between the exposed group and the control group (P> 0.05). Conclusion The water around farmlands orchards as drinking water is a risk factor for high incidence of gastrointestinal cancer.