SciELO - Scientific Electronic Library Online

vol.139 issue12Prevalence of tabacco, alcohol and marijuana consumption among university studentsMeningomyelitis associated with infection by human herpes virus 7: Report of two cases author indexsubject indexarticles search
Home Pagealphabetic serial listing  

Services on Demand




Related links


Revista médica de Chile

Print version ISSN 0034-9887


SORIA DE GONZALEZ, Analía et al. Total prostatic specific antigen levels among subjects exposed and not exposed to arsenic in drinking water. Rev. méd. Chile [online]. 2011, vol.139, n.12, pp.1581-1587. ISSN 0034-9887.

Background: There is an association between arsenic exposure and prostatic cancer mortality. Aim: To analyze and to compare the serum levels of total prostatic specific antigen (TPSA) in asymptomatic men of a rural zone, exposed and not exposed to high concentrations of arsenic (As) in drinking water. Material and Methods: The study included 161 men that were subjected to a clinical evaluation, serum TPSA determination and a trans rectal ultrasonography. Exposed and non-exposed subjects were divided in groups GA, GB and GC according to TPSA levels (<4 ng/ml, 4.1-10 ng/ml and >10.1 ng/ml respectively). Results: Exposed and non-exposed subjects had similar TPSA levels. Among exposed subjects, 88.2, 8,8 and 3% were ascribed to groups GA, GB and GC respectively. The figures for non-exposed subjects were 90. 6, 6,3 and 3,1%. The area under the receiver operating characteristic (ROC) curve for TPSA in exposed and non-exposed subjects was 0.64 (95% confidence intervals (CI) 0.40-0.9) and 0.71 (95% CI 0.6-0.8) respectively. Conclusions: No differences in TPSA levels between subjects exposed and non-exposed to arsenic were observed in this study.

Keywords : Antigens, neoplasm; Arsenic; Prostatic neoplasms.

        · text in Spanish     · Spanish ( pdf )


Creative Commons License All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License