Evaluation of clinical prediction models (part 2): how to undertake an external validation study.

BMJ

Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, UK.

Published: January 2024

External validation studies are an important but often neglected part of prediction model research. In this article, the second in a series on model evaluation, Riley and colleagues explain what an external validation study entails and describe the key steps involved, from establishing a high quality dataset to evaluating a model’s predictive performance and clinical usefulness.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10788734PMC
http://dx.doi.org/10.1136/bmj-2023-074820DOI Listing

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