Risk assessment to guide prostate cancer screening decisions: A cost-effectiveness analysis

A.J. Martin, S.J. Lord, H.E. Verry, M.R. Stockler, Jon Emery

    Research output: Contribution to journalArticle

    18 Citations (Scopus)

    Abstract

    Objectives: To apply the most recent evidence from randomised trials of prostate-specific antigen (PSA) screening and explore the potential value of risk assessments to guide the use of PSA screening in practice. Design: A decision model that incorporated a Markov process was developed in 2012 to estimate the net benefit and cost of PSA screening versus no screening as a function of baseline risk. Main outcome measures: Quality-adjusted life-years (QALYs) and costs. Results: The harms of screening outweighed the benefits under a number of plausible scenarios. Conclusions were sensitive to the estimated quality-of-life impacts of prostate cancer treatment as well as the incidence of cancers not detected by screening tests (poorer prognosis) and those that were detected by screening tests (better prognosis). The base-case incremental costeffectiveness ratio of PSA screening was $291 817 per QALY for men with average risk, $110726 per QALY for men with two times the average risk, and $30 572 per QALY for men with five times the average risk. Conclusions: PSA screening was not found to be cost-effective for men at an average-to-high risk of prostate cancer, but may be cost-effective for men at very high risk. Inexpensive approaches for identifying men at very high risk are needed, as is further research on the size of clinical benefit of early detection in this population. The potential for the costs of risk assessment to be offset by reduced costs of PSA screening also warrants investigation.
    Original languageEnglish
    Pages (from-to)546-550
    JournalMedical Journal of Australia
    Volume198
    Issue number10
    DOIs
    Publication statusPublished - 2013

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