1991-2010年中国女性乳腺癌的死亡分布特征

目的 分析中国1991-2010年女性乳腺癌死亡的分布特征,为女性乳腺癌的防治提供科学依据.方法 采集1991-2010年中国女性乳腺癌死亡资料,分析标化死亡率的动态变化、城乡差异和年龄分布差异等流行病学特征,通过趋势面分析方法研究其地理分布特征.结果 女性乳腺癌死亡率呈逐年上升趋势,城市高于农村;近10年来死亡高峰年龄延后,城乡妇女在55～岁段达到第1个死亡高峰;地理分布上,乳腺癌死亡率呈现由西南向东北、西部向东部增加的趋势.结论 我国女性乳腺癌死亡率呈上升趋势;东北、东部和东南地区是我国女性乳腺癌的重点防治区域;城市妇女是重点防治对象.

Analysis on mortality distribution of female breast cancer in China, 1991-2010

Objective To analyze the mortality distribution of female breast cancer in China from 1991 to 2010, and to provide evidences for prevention and treatment of female breast cancer. Methods The death data of female breast cancer in China from 1991 to 2010 was used to describe its epidemiological characteristics, like the dynamic change of the standardized mortality rate, urban-rural differences and age difference. Besides, the trend-surface analysis was used to study the geographical distribution of the mortality. Results In China, the mortality rate of female breast cancer increased yearly, and that in city was higher than that in countryside. Over the past decade, all peak ages of death had been delayed where the first of it was showed on 55- age group; and the geographical analysis showed that the mortality rate increased from southwest to northeast, and from west to east. Conclusions The standardized mortality rate of female breast cancer is rising. The regional disease control is focused on the northeast, east and southeast part of China for female breast cancer, and the key objects of prevention and treatment is urban women aged from 55.