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European UrologyVolume 58, issue 2, pages e19-e28, August 2010
Age-Specific Risk of Incident Prostate Cancer and Risk of Death from Prostate Cancer Defined by the Number of Affected Family Members
Accepted 3 February 2010, Published online 13 February 2010, pages 275 - 280
- Patients and methods
The thorough assessment of familial prostate cancer (PCa) risk is as important as ever to provide a basis for clinical counselling and screening recommendations.
Our aim was to determine the age-specific risks of PCa and the risk of death from PCa according to the number and the age of affected first-degree relatives.
Design, setting, and participants
The nationwide Swedish Family-Cancer Database includes a record of >11.8 million individuals and their cancers from 1958 to 2006. All men from the database with identified parents (>3.9 million individuals) were followed between 1961 and 2006. The study included 26 651 PCa patients, of whom 5623 were familial.
The age-specific hazard ratios (HRs) of PCa and the HRs of death from PCa were calculated according to the number and age of affected fathers and brothers.
Results and limitations
The HRs of PCa diagnosis increased with the number of affected relatives and decreased with increasing age. The highest HRs were observed for men <65 yr of age with three affected brothers (HR: approximately 23) and the lowest for men between 65 and 74 yr of age with an affected father (HR: approximately 1.8). The HRs increased with decreasing paternal or fraternal diagnostic age. The pattern of the risk of death from familial PCa was similar to the incidence data.
The present results should guide clinical counselling and demonstrate the vast increases in risk when multiple first-degree relatives are affected.
Keywords: Prostate cancer, Familial prostate cancer, Familial risk, Prostate cancer mortality, Population-based studies.
© 2010 European Association of Urology, Published by Elsevier B.V.
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