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目的 分析2011-2015年阆中市居民恶性肿瘤死亡特征及流行趋势,为政府制定恶性肿瘤防制规划提供依据.方法 采用国际疾病分类标准(ICD-10)进行编码分类,使用死亡率、标化死亡率、死因顺位等对2011-2015年阆中市居民恶性肿瘤死因监测资料进行描述性流行病学分析.结果 居民恶性肿瘤粗死亡率为219.17/10万(男性281.25/10万、女性154.13/10万),标化率为189.61/10万(男性232.85/10万、女性141.93 /10万).男性高于女性,差异有统计学意义(x2=164.5,P＜0.01).恶性肿瘤前5位死因依次是食道癌、胃癌、肺癌、肝癌、肠癌,累计占恶性肿瘤死亡的89.98％.结论 恶性肿瘤是阆中市居民主要死因之一,应针对不同的人群开展相应的综合防治工作.“,”Objective To analyze the characteristics and trend of malignant tumor death among residents in Langzhong city from 2011 to 2015 and provide a scientific basis for the government to formulate the planning of tumor prevention and control.Methods The registered cases were coded and classified according to the international classification of diseases (ICD-10).Mortality rates,standardized mortality rates and death cause order were used to analyze the death surveillance data of malignant tumors in Langzhong City from 2011 to 2015 by using the descriptive epidemiological method.Results The crude death rate of malignant tumors was 219.17/105 (281.25/105 in males and 154.13/105 in females);the standardized mortality rate was 189.61/ 105 (232.85/105 in males and 141.93 /105 in females).The mortality rate in males was higher than in females.The top 5 malignant tumors responsible for death were esophageal cancer,gastric cancer,lung cancer,liver cancer and colorectal cancer,accounting for 89.98％ of death cases of malignant tumors.Conclusion Malignant tumors are one of the primary causes of death among residents in Langzhong City,and the comprehensive prevention and control work should be carried out for different populations.