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Patient survival and risk of death after prostate cancer treatment in the Brazilian Unified Health System

Overview of attention for article published in Revista de Saúde Pública, May 2017
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Title
Patient survival and risk of death after prostate cancer treatment in the Brazilian Unified Health System
Published in
Revista de Saúde Pública, May 2017
DOI 10.1590/s1518-8787.2017051006766
Pubmed ID
Authors

Sonia Faria Mendes Braga, Mirian Carvalho de Souza, Raphael Romie de Oliveira, Eli Iola Gurgel Andrade, Francisco de Assis Acurcio, Mariangela Leal Cherchiglia

Abstract

Analyze the probability of specific survival and factors associated with the risk of death of patients with prostate cancer who received outpatient cancer treatment in the Brazilian Unified Health System, Brazil. Retrospective cohort study using the National Database of Oncology, developed through the deterministic-probabilistic pairing of health information systems: outpatient (SIA), hospital (SIH) and mortality (SIM). The probability of overall and specific survival was estimated by the time elapsed between the date of the first ambulatory treatment, from 2002 to 2003, until the patient's death or the end of the study. Fine and Gray's model of competing-risks regression was adjusted according to the variables: age of diagnostic, region of residence, tumor clinical staging, type of outpatient cancer treatment and hospitalization in the assessment of factors associated with risk of patient death. Of 16,280 patients studied, the average age was 70 years, approximately 25% died due to prostate cancer and 20% for other causes. The probability of overall survival was 0.50 (95%CI 0.49-0.52) and the specific was 0.70 (95%CI 0.69-0.71). The factors associated with the risk of patient death were: stage III (HR = 1.66; 95%CI 1.39-1.99) and stage IV (HR = 3.49; 95%CI 2.91-4.18), chemotherapy (HR = 2.34; 95%CI 1.76-3.11) and hospitalization (HR = 1.6; 95%CI 1.55-1.79). The late diagnosis of the tumor, palliative treatments, and worse medical condition were factors related to the worst survival and increased risk of death from prostate cancer patients in Brazil. Analisar a probabilidade de sobrevida específica e os fatores associados ao risco de óbito dos pacientes com câncer de próstata, que receberam tratamento oncológico ambulatorial no SUS, Brasil. Estudo de coorte retrospectivo utilizando a Base Nacional em Oncologia, desenvolvida por meio de pareamento determinístico-probabilístico dos sistemas de informação de saúde: ambulatorial (SIA), hospitalar (SIH) e de mortalidade (SIM). A probabilidade de sobrevida global e específica foi estimada pelo tempo decorrido entre a data do primeiro tratamento ambulatorial, entre 2002 e 2003, até o óbito dos pacientes ou fim do estudo. O modelo de regressão de riscos competitivos de Fine e Gray foi ajustado segundo as variáveis: idade ao diagnóstico, região de residência, estadiamento clínico do tumor, tipo de tratamento oncológico ambulatorial e internação na avaliação dos fatores associados ao risco de óbito dos pacientes. Dos 16.280 pacientes estudados, a idade média foi de 70 anos, cerca de 25% foi a óbito devido ao câncer de próstata e 20% por outras causas. A probabilidade de sobrevida global foi de 0,50 (IC95% 0,49-0,52) e a específica 0,70 (IC95% 0,69-0,71) . Os fatores associados ao risco de óbito dos pacientes foram: estádio III (HR = 1,66; IC95% 1,39-1,99) e estágio IV (HR = 3,49; IC95% 2,91-4,18), tratamento quimioterápico (HR = 2,34; IC95% 1,76-3,11) e internação (HR = 1,6; IC95% 1,55-1,79). O diagnóstico tardio do tumor, tratamentos não curativos e pior condição clínica foram fatores relacionados à pior sobrevida e ao maior risco de óbito dos pacientes com câncer próstata no Brasil.

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The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 44 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 44 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 7 16%
Student > Bachelor 6 14%
Student > Doctoral Student 5 11%
Researcher 4 9%
Student > Ph. D. Student 4 9%
Other 7 16%
Unknown 11 25%
Readers by discipline Count As %
Medicine and Dentistry 12 27%
Nursing and Health Professions 8 18%
Computer Science 3 7%
Pharmacology, Toxicology and Pharmaceutical Science 2 5%
Engineering 2 5%
Other 2 5%
Unknown 15 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 July 2017.
All research outputs
#14,353,790
of 22,985,065 outputs
Outputs from Revista de Saúde Pública
#479
of 1,025 outputs
Outputs of similar age
#173,465
of 309,976 outputs
Outputs of similar age from Revista de Saúde Pública
#6
of 18 outputs
Altmetric has tracked 22,985,065 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,025 research outputs from this source. They receive a mean Attention Score of 4.5. This one is in the 48th percentile – i.e., 48% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 309,976 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 18 others from the same source and published within six weeks on either side of this one. This one is in the 44th percentile – i.e., 44% of its contemporaries scored the same or lower than it.