Journal
IRISH JOURNAL OF MEDICAL SCIENCE
Volume 184, Issue 3, Pages 701-706Publisher
SPRINGER LONDON LTD
DOI: 10.1007/s11845-015-1291-8
Keywords
Biopsy; Decision support techniques; Prostatic neoplasm; Risk
Categories
Funding
- Prostate Cancer Research Consortium (PCRC) under the Irish Cancer Society
- Urology Foundation
- Irish Research Council
- UCD School of Medicine Intercalated MSc. Medical Science Scholarship Programme
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Background The decision to proceed to biopsy for the diagnosis of prostate cancer in clinical practice is a difficult one. Prostate cancer risk calculators allow for a systematic approach to the use of patient information to predict a patient's likelihood of prostate cancer. Aims In this paper, we validate the two leading prostate cancer risk calculators, the prostate cancer prevention trial (PCPT) and the European Randomized Study of Screening for Prostate Cancer (ERSPC) in an Irish population. Methods Data were collected for 337 men referred to one tertiary referral center in Ireland. Calibration analysis, ROC analysis and decision curve analysis were undertaken to ascertain the performance of the PCPT and the ERSPC risk calculators in this cohort. Results Of 337 consecutive biopsies, cancer was subsequently diagnosed in 146 men (43 %), 98 (67 %) of which were high grade. The AUC for the PCPT and ERSPC risk calculators were 0.68 and 0.66, respectively for the prediction of prostate cancer. Each calculator was sufficiently calibrated in this cohort. Decision curve analysis demonstrated a net benefit via the use of the PCPT and ERSPC risk calculators in the diagnosis of prostate cancer. Conclusions The PCPT and ERSPC risk calculators achieve a statistically significant prediction of prostate cancer in this Irish population. This study provides external validation for these calculators, and therefore these tools can be used to aid in clinical decision making.
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