期刊
HEALTHCARE
卷 11, 期 16, 页码 -出版社
MDPI
DOI: 10.3390/healthcare11162244
关键词
precision medicine; diagnosis; prognosis; clinical decision rules; models; statistical
A large number of prediction models are published to support personalized decision making in diagnosis or prognosis. Conventional statistical measures are not suitable for assessing the clinical value of scores or biomarkers. Decision curve analysis is a popular technique used to assess the clinical utility of a prognostic or diagnostic score/rule, or a biomarker. It is a powerful tool for judging whether newly published or existing scores may truly benefit patients, representing a significant advancement in improving transparent clinical decision making.
A large number of prediction models are published with the objective of allowing personalized decision making for diagnostic or prognostic purposes. Conventional statistical measures of discrimination, calibration, or other measures of model performance are not well-suited for directly and clearly assessing the clinical value of scores or biomarkers. Decision curve analysis is an increasingly popular technique used to assess the clinical utility of a prognostic or diagnostic score/rule, or even of a biomarker. Clinical utility is expressed as the net benefit, which represents the net balance of patients' benefits and harms and considers, implicitly, the consequences of clinical actions taken in response to a certain prediction score, rule, or biomarker. The net benefit is plotted against a range of possible exchange rates, representing the spectrum of possible patients' and clinicians' preferences. Decision curve analysis is a powerful tool for judging whether newly published or existing scores may truly benefit patients, and represents a significant advancement in improving transparent clinical decision making. This paper is meant to be an introduction to decision curve analysis and its interpretation for clinical investigators. Given the extensive advantages, we advocate applying decision curve analysis to all models intended for use in clinical practice.
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