Disparities in female breast cancer mortality rates in Brazil between 1980 and 2009
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Data
2012
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OBJECTIVE: To describe the temporal trends in female breast cancer mortality rates in Brazil in its macro-regions and
states between 1980 and 2009.
METHODS: This was an ecological time-series study using data on breast cancer deaths registered in the Mortality
Data System (SIM/WHO) and census data on the resident population collected by the Brazilian Institute of
Geography and Statistics (IBGE/WHO). Joinpoint regression analyses were used to identify the significant changes in
trends and to estimate the annual percentage change (APC) in mortality rates.
RESULTS: Female breast cancer mortality rates in Brazil tended to stabilize from 1994 onward (APC = 0.4%).
Considering the Brazilian macro-regions, the annual mortality rates decreased in the Southeast, stabilized in the
South and increased in the Northeast, North, and Midwest. Only the states of Sao Paulo (APC = -1.9%), Rio Grande
do Sul (APC = -0.8%) and Rio de Janeiro (APC = -0.6%) presented a significant decline in mortality rates. The greatest
increases were found in Maranhao (APC = 12%), Paraiba (APC = 11.9%), and Piaui (APC = 10.9%).
CONCLUSION: Although there has been a trend toward stabilization in female breast cancer mortality rates in
Brazil, when the mortality rate of each macro-region and state is analyzed individually, considerable inequalities are
found, with rate decline or stabilization in states with higher socioeconomic levels and a substantial increase in
those with lower socioeconomic levels.
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Breast cancer, Trends, Mortality, Brazil
Citação
FREITAS-JUNIOR, Ruffo et al. Disparities in female breast cancer mortality rates in Brazil between 1980 and 2009. Clinics, São Paulo, v. 67, n. 7, p. 731-737, 2012.