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Quantitative approaches to the evaluation of screening programs.

N E Day

    World Journal of Surgery
    |January 1, 1989
    PubMed
    Summary

    Evaluating cancer screening programs requires focusing on mortality and early detection

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    Area of Science:

    • Oncology
    • Public Health
    • Epidemiology

    Background:

    • Cancer screening program evaluation is crucial for public health.
    • Initial assessments focus on mortality reduction.
    • Increasing emphasis is placed on early detection's impact on disease progression.

    Purpose of the Study:

    • To explore methodologies for evaluating cancer screening programs.
    • To highlight the importance of assessing early detection's interaction with disease.
    • To review the evidence supporting current screening practices.

    Main Methods:

    • Discusses the role of randomized controlled trials (RCTs) in quantifying screening benefits.
    • Considers adapted case-control methods as alternatives when RCTs are unavailable.
    • Emphasizes evaluating diagnostic advancement in time and disease stage.

    Main Results:

    • Randomized trials are the gold standard for demonstrating screening effectiveness.
    • Case-control studies offer valuable data but with less certainty than RCTs.
    • Only breast and cervical cancer screening have proven effective to date.

    Conclusions:

    • Effective cancer screening evaluation necessitates a multi-faceted approach.
    • Early detection metrics, beyond mortality, are vital for comprehensive assessment.
    • Further research and rigorous trials are needed to validate other cancer screening programs.

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