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External validation of clinical prediction models using big datasets from e-health records or IPD meta-analysis: opportunities and challenges

BMJ 2019; 365 doi: (Published 25 June 2019) Cite this as: BMJ 2019;365:l4379

In this article by Riley and colleagues (BMJ 2016;353, doi:10.1136/bmj.i3140, published 22 June 2016 and in the 25 June 2016 print issue), a reader pointed a mistake in the labelling of figures 3 and 6 ( The online article and PDF have since been updated with corrected figures. The authors would like to thank the reader for drawing this to their attention.

This is an Open Access article distributed in accordance with the terms of the Creative Commons Attribution (CC BY 4.0) license, which permits others to distribute, remix, adapt and build upon this work, for commercial use, provided the original work is properly cited. See:

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