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Survival rates of breast cancer and predictive factors: a hospital-based study from western Amazon area in Brazil.
Cien Saude Colet ; 24(1): 261-273, 2019 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-30698259
ABSTRACT
Breast cancer survival in Latin America countries is below Central European countries. Hospital-based breast cancer survival studies in western Amazon, Brazil, are lacking. This article aims to estimate hospital-based breast cancer survival in Rio Branco, Acre, and predictor factors. Hospital-based cohort study of all women diagnosed with breast cancer (2007-2012) was proceeded. Information were obtained from medical reports, and follow-up was until 2013. One-, 2- and 5- years breast cancer specific-survival were estimated by Kaplan-Meier method. Crude and adjusted Harzards Ratios (HR) were estimated by proportional Cox regression model. One-, 2-, and 5-year overall breast cancer survival were 95.5%, 83.7%, and 87.3% respectively. Surgery combined to radiotherapy significantly affected 1-, 2-, and 5-year survival (99%, 94%, and 90.6%, respectively) as compared to other treatments (77%,57.1%, and 37.5%, respectively). Comparing to surgery combined to radiotherapy treatment, surgery alone increased the risk of death, independently of age and stage (HR = 7.23;95%CI:2.29-22.83). In Rio Branco, Acre, 5-year breast cancer survival is similar to more developed areas in Brazil. Surgery combined to radiotherapy was independently associated to a lower risk of death as compared to surgery alone and other treatment.
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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Assunto principal: Neoplasias da Mama / Hospitalização Tipo de estudo: Estudo de coorte Aspecto clínico: Etiologia / Predição / Prognóstico Limite: Adulto / Idoso / Feminino / Humanos / Meia-Idade / Jovem adulto País/Região como assunto: América do Sul / Brasil Idioma: Inglês Revista: Cien Saude Colet Ano de publicação: 2019 Tipo de documento: Artigo