中文摘要：

目的了解1993—2012年江苏省启东市人群结直肠癌的发病情况。方法整理启东市肿瘤登记系统中1993—2012年启东市户籍人群结直肠癌发病资料,采用2000年第五次全国人口普查的标准人口年龄构成进行标化。应用年均变化百分比模型（APC）分析结直肠癌发病的时间趋势。结果 1993—2012年启东市新发结直肠癌4 648例,其中男性2 328例,女性2 320例。结直肠癌粗发病率为23.00/10万,标化发病率14.13/10万,男性发病率高于女性,差异有统计学意义（P〈0.001）。50岁后结直肠癌发病率迅速上升。1993—2012年间,启东市结直肠癌粗发病率年均增长5.1%,标化发病率年均增长5.0%。结论 1993—2012年启东市人群结直肠癌发病率逐年增长,男性明显高于女性。

英文摘要：

Objective To analyze the incidence of colorectal cancer（ CRC） for patients with census registration in Qidong,Jiangsu Province. Methods The clinical data of CRC for patients with census registration in Qidong were sorted out from the cancer registration center in Qidong,Jiangsu province. The incidence was standardized by utilizing the standard population age composition based on the nationwide census in 2000. The annual percent change（ APC） model was used to analyze the trend over time for the incidence of CRC. Results A total of 4 648 new cases of CRC were diagnosed in Qidong from 1993 to2012,of which 2 328 were male cases and 2 320 were female cases. The crude incidence rate for CRC was23. 00 /100 000 and the APC for the standardized incidence rate for CRC was 14. 13 /100 000,with the incidence thereof for males significantly higher than that for females（ P〈0. 001）. The incidence rate of CRC for seniors aged over 50 rose quickly. From 1993 to 2012,the average annual increase rate of the incidence for CRC was 5. 1% and the average annual increase rate of the standardized incidence therefor was 5. 0% in Qidong. Conclusion The incidence of CRC increases in Qidong on a yearly basis from1993 to 2012,with the incidence thereof for males being significantly higher than that for females.