• The lancet oncology · Apr 2015

    Review

    Nomograms in oncology: more than meets the eye.

    • Vinod P Balachandran, Mithat Gonen, J Joshua Smith, and Ronald P DeMatteo.
    • Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA. Electronic address: balachav@mskcc.org.
    • Lancet Oncol. 2015 Apr 1; 16 (4): e173-80.

    AbstractNomograms are widely used as prognostic devices in oncology and medicine. With the ability to generate an individual probability of a clinical event by integrating diverse prognostic and determinant variables, nomograms meet our desire for biologically and clinically integrated models and fulfill our drive towards personalised medicine. Rapid computation through user-friendly digital interfaces, together with increased accuracy, and more easily understood prognoses compared with conventional staging, allow for seamless incorporation of nomogram-derived prognosis to aid clinical decision making. This has led to the appearance of many nomograms on the internet and in medical journals, and an increase in nomogram use by patients and physicians alike. However, the statistical foundations of nomogram construction, their precise interpretation, and evidence supporting their use are generally misunderstood. This issue is leading to an under-appreciation of the inherent uncertainties regarding nomogram use. We provide a systematic, practical approach to evaluating and comprehending nomogram-derived prognoses, with particular emphasis on clarifying common misconceptions and highlighting limitations. Copyright © 2015 Elsevier Ltd. All rights reserved.

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