Karen de Souza Abrahão1, Anke Bergmann2, Suzana Sales de Aguiar3, Luiz Claudio Santos Thuler4. 1. Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil. Electronic address: karen.abrahao@gmail.com. 2. Brazilian National Cancer Institute (INCA) and University Center Augusto Motta (UNISUAM), Rio de Janeiro, Brazil. Electronic address: abergmann@inca.gov.br. 3. Brazilian National Cancer Institute (INCA), Rio de Janeiro, Brazil. Electronic address: saguiar@inca.gov.br. 4. Brazilian National Cancer Institute (INCA) and Federal University of Rio de Janeiro State (UNIRIO), Rio de Janeiro, Brazil. Electronic address: lthuler@inca.gov.br.
Abstract
BACKGROUND: Breast cancer is commonly diagnosed at an advanced stage in Brazil. AIM: Analyze the determinants of advanced staging in Brazilian women with breast cancer. METHODS: Crosssectional study, including women diagnosed with breast cancer in Brazil, between 2000 and 2009. RESULTS: A total of 59,317 women were included, 53.5% being classified as advanced stage (≥IIB). Younger age (18 to 49 years old) (OR=1.61 95% CI 1.51 to 1.72) or between 40 and 49 years old (OR=1.08 95% CI 1.03 to 1.14), having low educational level (OR=1.53 95% CI 1.48 to 1.58), living in less developed geographical regions (OR=1.27 95% CI 1.21 to 1.33), having invasive ductal carcinoma (OR=2.70 95% CI 2.56 to 2.84) and invasive lobular carcinoma (OR=2.63 95% CI 2.42 to 2.86) were associated with advanced breast cancer. CONCLUSION: We conclude that future interventions should focus on these high risk groups.
BACKGROUND:Breast cancer is commonly diagnosed at an advanced stage in Brazil. AIM: Analyze the determinants of advanced staging in Brazilian women with breast cancer. METHODS: Crosssectional study, including women diagnosed with breast cancer in Brazil, between 2000 and 2009. RESULTS: A total of 59,317 women were included, 53.5% being classified as advanced stage (≥IIB). Younger age (18 to 49 years old) (OR=1.61 95% CI 1.51 to 1.72) or between 40 and 49 years old (OR=1.08 95% CI 1.03 to 1.14), having low educational level (OR=1.53 95% CI 1.48 to 1.58), living in less developed geographical regions (OR=1.27 95% CI 1.21 to 1.33), having invasive ductal carcinoma (OR=2.70 95% CI 2.56 to 2.84) and invasive lobular carcinoma (OR=2.63 95% CI 2.42 to 2.86) were associated with advanced breast cancer. CONCLUSION: We conclude that future interventions should focus on these high risk groups.
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