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采用病史前瞻性调查观察，对８００例有无吸烟史男性胃病患者行内镜检查，按有无吸烟史分组，并以年龄、职业、上腹痛及嗳气、饮食习惯等条件配成４００对，探讨吸烟对胃癌发生的影响。结果表明，吸烟组检出胃癌１０４例，明显高于非吸烟组５５例（Ｐ＜０．０１）。此外对两组胃癌部位、病理类型、发病年龄进行比较分析。同时又将吸烟者和非吸烟者与发生胃癌的危险因素进行了配对分组比较
A prospective survey of medical history was performed. Endoscopic examinations were performed on 800 patients with or without history of smoking in the stomach. They were grouped according to whether or not they had a history of smoking, and 400 pairs of age, occupation, epigastric pain, belching, eating habits, and other conditions were investigated. The effect of smoking on the development of gastric cancer. The results showed that 104 cases of gastric cancer were detected in the smoking group, which was significantly higher than that of the non-smoking group (55 cases) (P<0.01). In addition, the two groups of gastric cancer sites, pathological types, age of onset were compared and analyzed. At the same time, we compared paired grouping of smokers and non-smokers with risk factors of gastric cancer.