Association between PSA and age in Macuxi ethnic population of the Brazilian Amazon forest region

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dc.contributor.authorLima Junior, Mário Maciel de
dc.contributor.authorJansem Filho, Sebastião Salazar
dc.contributor.authorTobias-Machado, Marcos
dc.creator.affilliationUniversidade Estadual de Roraima. Boa Vista, RR, Brasil.en_US
dc.creator.affilliationFaculdades Cathedral. Boa Vista, RR, Brasil.en_US
dc.creator.affilliationFaculdade de Medicina do ABC. Santo André, SP, Brasil.en_US
dc.date.accessioned2022-07-14T13:53:54Z
dc.date.available2022-07-14T13:53:54Z
dc.date.issued2018
dc.description.abstractenPurpose: Prostate cancer is one of the most common cancers in men, with higher prevalence in developed countries. Nothing much is known regarding the incidence and mortality of prostate cancer in Brazilian population or among the indigenous groups in Brazil. Therefore, this study aimed to correlate prostate-specific antigen (PSA) level and age in the tribe with Macuxi ethnicity, from the jungles of Amazon (between Brazil and Venezuela). Patients and methods: This was an epidemiological cross-sectional study aimed to find the correlation between age and PSA in the 110 Brazilian Indian tribal men of Macuxi ethnicity. Serum PSA levels (total and free PSA [tPSA and fPSA]) were screened and analyzed considering age groups. Results: We found that there was a significant correlation between the age and either tPSA (p=0.016) or fPSA (p=0.036). Interestingly, there was no correlation between tPSA and fPSA with any of the age groups, but we found a significant correlation between fPSA and tPSA in only the age groups 60–69 years and 70–80 years (p=0.008). Conclusion: In this study, we found a significant correlation between tPSA, fPSA, and the age of patients. However, the age-specific correlation was insignificant. From our current findings, we found that the levels of PSA may be considered as an important determinant in determining this correlation and specificity, even though more work needs to be done to verify this. Although PSA screening is a valuable research tool for male patients, the low specificity of the screening might provide false-positive results leading to overtreatment.en_US
dc.identifier.citationLIMA JUNIOR, Mário Maciel de; JANSEM FILHO, Sebastião Salazar; TOBIAS-MACHADO, Marcos. Association between PSA and age in Macuxi ethnic population of the Brazilian Amazon forest region. Research and Reports in Urology, v. 10, p. 159-168, 10 Oct. 2018.en_US
dc.identifier.doi10.2147/RRU.S149836
dc.identifier.eissn2253-2447
dc.identifier.issn2253-2447
dc.identifier.urihttps://repositorio.bvspovosindigenas.fiocruz.br/handle/bvs/7174
dc.language.isoengen_US
dc.publisherDove Pressen_US
dc.rightsopen accessen_US
dc.subject.decsBrasilen_US
dc.subject.decsÍndios Sul-Americanosen_US
dc.subject.decsEcossistema Amazônicoen_US
dc.subject.decsSaúde de Populações Indígenasen_US
dc.subject.decsNeoplasias da Próstataen_US
dc.subject.decsAntígeno Prostático Específicoen_US
dc.subject.enProstate canceren_US
dc.subject.enProstate-specific antigenen_US
dc.subject.enRisk stratificationen_US
dc.subject.enBiopsyen_US
dc.subject.otherRegião Amazônicaen_US
dc.subject.otherAmazonasen_US
dc.subject.otherMacuxien_US
dc.subject.otherAntígeno Específico da Próstataen_US
dc.titleAssociation between PSA and age in Macuxi ethnic population of the Brazilian Amazon forest regionen_US
dc.typeArticleen_US
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