期刊
BMJ-BRITISH MEDICAL JOURNAL
卷 353, 期 -, 页码 -出版社
BMJ PUBLISHING GROUP
DOI: 10.1136/bmj.i3140
关键词
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资金
- Medical Research Council (MRC) [G0902393]
- MRC [MR/J013595/1, G1100513]
- Netherlands Organisation for Scientific Research [9120.8004, 918.10.015]
- MRC [MR/J013595/1, G0902393, G1100513] Funding Source: UKRI
- Cancer Research UK [16895] Funding Source: researchfish
- Medical Research Council [G1100513, MR/J013595/1, G0902393] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0513-10131] Funding Source: researchfish
Access to big datasets from e-health records and individual participant data (IPD) meta-analysis is signalling a new advent of external validation studies for clinical prediction models. In this article, the authors illustrate novel opportunities for external validation in big, combined datasets, while drawing attention to methodological challenges and reporting issues.
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