Analysis of breast cancer survival rate among population in Yunnan Province

Abstract

Abstract: Objective To understand the survival status of breast cancer in Yunnan Province,provide a reference basis for the prevention and treatment of malignant tumors. Methods The breast cancer cases collected from 1974 to 2022 in the tumor registration area of Yunnan Province were used as the study population,the survival rates were calculated using the life table method and Kaplan-Maier method,the Cox regression was used for multifactor analysis,and the influence of relevant demographic and disease status characteristics on breast cancer survival was explored. Results A total of 36 058 patients with breast cancer in Yunnan Province were included,the age of patients[M（P₂₅,P₇₅）] was 51（44,59）years old,the age group of 45-<55 years had the highest number of patients（12 962 cases,37.50%）,and the age group of ≥75 years had the lowest number of patients（1 797 cases,5.00%）. There were 7 813（21.70%） deaths from breast cancer,535 in males and 7 448 in females. The median survival time was 256 months. 1,3 and 5 year survival rates were 85.00%,78.00% and 73.00%,respectively,with females having overall higher survival rates（85.00%,78.00% and 74.00%） than males（68.00%,60.00% and 57.00%）. 1,3 and 5 year survival rates in urban area were 85.00%,78.00% and 74.00%,respectively,while those in rural area were 85.00%,78.00% and 72.00%,respectively,and survival rate decreased with increasing age. Conclusions The survival rate of breast cancer in Yunnan Province in 2022 is lower than the national average. Although the survival of breast cancer patients in Yunnan Province has improved,the survival rate is still low compared with that in economically developed regions of China. The early detection,early diagnosis and early treatment is an effective method to improve the survival rate of breast cancer,and it is necessary to further strengthen the prevention and control of breast cancer according to the morbidity and survival characteristics of Yunnan Province.

Key words: Yunnan Province, Breast cancer, Population, Survival rate, Survival analysis

CLC Number:

R195.4

ZHU Yunfang, LIU Yue, YANG Cangjiang, WEN Hongmei, SHI Qingping, CHEN Yang. Analysis of breast cancer survival rate among population in Yunnan Province. [J]OCCUPATION AND HEALTH, 2024, 40(24): 3406-3410.

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