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根据梧州市１９８１～１９９６年大肠癌的发病资料对其发病情况及趋势作一分析，结果表明：梧州市大肠癌的发病率随年龄的增大而升高，尤以５５岁以后的人群更为显著；时间趋势分析显示本市大肠癌发病率呈逐年上升趋势，且具有非常显著性意义（Ｐ＜０．０１）。１９９１～１９９６年与１９８１～１９８６年两时期比较，大肠癌发病率的增长幅度较大，尤其是女性的增长率在１３６％以上。大幅度的增长男性主要发生在６０岁以后各年龄组，女性主要发生５０岁以后各年龄组
According to the incidence and trend of colorectal cancer in Zhangzhou City from 1981 to 1996, the results showed that the incidence of colorectal cancer in Shengzhou increased with age, especially in people after 55 years of age. Significant; time trend analysis shows that the incidence of colorectal cancer in this city is increasing year by year, and has a very significant significance (P <0.01). Compared with the two periods from 1991 to 1986 and 1981 to 1986, the incidence of colorectal cancer increased significantly, especially women’s growth rate was above 136%. Significant growth occurs mainly in men of all ages after the age of 60. Females mainly occur in all age groups after the age of 50.