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Abstract
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.
Original language | English |
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Article number | e074820 |
Journal | BMJ (Clinical research ed.) |
Volume | 384 |
DOIs | |
Publication status | Published - 15 Jan 2024 |
Bibliographical note
Funding: This paper presents independent research supported (for RDR, LA, KIES, JE, PD, and GSC) by an Engineering and Physical Sciences Research Council (EPSRC) grant for “Artificial intelligence innovation to accelerate health research” (EP/Y018516/1); a National Institute for Health and Care Research (NIHR)-Medical Research Council (MRC) Better Methods Better Research grant (for RDR, LA, KIES, JE, and GSC) (MR/V038168/1), and the NIHR Birmingham Biomedical Research Centre at the University Hospitals Birmingham NHS Foundation Trust and the University of Birmingham (for RDR, LA, JE, and KIES). The views expressed are those of the author(s) and not necessarily those of the NHS, NIHR, or UK Department of Health and Social Care. GSC was also supported by Cancer Research UK (programme grant C49297/A27294). The funders had no role in considering the study design or in the collection, analysis, interpretation of data, writing of the report, or decision to submit the article for publication.Keywords
- Humans
- Models, Statistical
- Prognosis
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Sample Size guidance for developing and validating reliable and fair AI PREDICTion models in healthcare (SS-PREDICT)
Cazier, J., Riley, R., Snell, K., Archer, L., Nirantharakumar, K., Cazier, J., Ensor, J. & Denniston, A.
2/10/23 → 1/04/25
Project: Research Councils