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Survival Rate of Breast Cancer Patients In Malaysia: A Population-based Study

  • Abdullah, Nor Aini (Institute for Medical Research, Ministry of Health) ;
  • Mahiyuddin, Wan Rozita Wan (Institute for Medical Research, Ministry of Health) ;
  • Muhammad, Nor Asiah (Institute for Medical Research, Ministry of Health) ;
  • Ali, Zainudin Mohamad (Disease Control Division, Ministry of Health) ;
  • Ibrahim, Lailanor (Health Informatic Centre, Ministry of Health) ;
  • Tamim, Nor Saleha Ibrahim (Disease Control Division, Ministry of Health) ;
  • Mustafa, Amal Nasir (Institute for Medical Research, Ministry of Health) ;
  • Kamaluddin, Muhammad Amir (Institute for Medical Research, Ministry of Health)
  • Published : 2013.08.30

Abstract

Breast cancer is the most common cancer among Malaysian women. Other than hospital-based results, there are no documented population-based survival rates of Malaysian women for breast cancers. This populationbased retrospective cohort study was therefore conducted. Data were obtained from Health Informatics Centre, Ministry of Health Malaysia, National Cancer Registry and National Registration Department for the period from $1^{st}$ January 2000 to $31^{st}$ December 2005. Cases were captured by ICD-10 and linked to death certificates to identify the status. Only complete data were analysed. Survival time was calculated from the estimated date of diagnosis to the date of death or date of loss to follow-up. Observed survival rates were estimated by Kaplan-Meier method using SPSS Statistical Software version 17. A total of 10,230 complete data sets were analysed. The mean age at diagnosis was 50.6 years old. The overall 5-year survival rate was 49% with median survival time of 68.1 months. Indian women had a higher survival rate of 54% compared to Chinese women (49%) and Malays (45%). The overall 5-year survival rate of breast cancer patient among Malaysian women was still low for the cohort of 2000 to 2005 as compared to survival rates in developed nations. Therefore, it is necessary to enhance the strategies for early detection and intervention.

Keywords

Breast cancer;survival rate;population-based;Malaysia;ethnic groups

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