Vasectomy and prostate cancer in Québec, Canada

The present investigation measured the association between vasectomy and prostate cancer (PC) in the male population of Québec, Canada. The Québec Health Insurance Board and the Québec Cancer Registry were our principal sources of information. Lung cancer cases and the male population of Québec serv...

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Bibliographic Details
Published in:Health & place 2001-06, Vol.7 (2), p.131-139
Main Authors: Emard, Jean-François, Drouin, Guy, Thouez, Jean-Pierre, Ghadirian, Parviz
Format: Article
Language:English
Subjects:
Adult
Association
Birth cohort
Cohort Studies
Health technology assessment
Humans
Male
National Health Programs
Probability
Prostate cancer
Prostatic Neoplasms - complications
Prostatic Neoplasms - epidemiology
Quebec - epidemiology
Québec male population
Registries
Retrospective Studies
Risk Factors
Time Factors
Vasectomy
Vasectomy - adverse effects
Vasectomy - utilization
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Summary:The present investigation measured the association between vasectomy and prostate cancer (PC) in the male population of Québec, Canada. The Québec Health Insurance Board and the Québec Cancer Registry were our principal sources of information. Lung cancer cases and the male population of Québec served as controls for comparative purposes. Within a retrospective design, our preliminary results indicate an association between vasectomy and PC. Among the 1925–39 birth cohort of individuals diagnosed with PC in 1990–93, the global odds ratio was 2.6 (95% CI=1.7–4.3) while it was compared with lung cancer as the control group. This risk increased with the length of time between vasectomy and the diagnosis of cancer. An historical design indicated strong cohesion of the results. Besides, the risk does not vary when we control for the place of residence of the individuals. Vasectomy seems to increase the risk of PC at least 10 years after the operation, but we cannot exclude the impact of a possible detection bias among vasectomized individuals.
ISSN:1353-8292
1873-2054
DOI:10.1016/S1353-8292(01)00005-3