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Comment

. 2016 Jan:69:249-50.

doi: 10.1016/j.jclinepi.2015.01.022. Epub 2015 Feb 3.

External validation is only needed when prediction models are worth it (Letter commenting on: J Clin Epidemiol. 2015;68:25-34)

Forike K Martens¹, Jannigje G Kers¹, A Cecile J W Janssens²

Affiliations

Affiliations

¹ Department of Clinical Genetics/EMGO Institute for Health and Care Research, Section Community Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
² Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Road NE, Atlanta, GA 30322, USA. Electronic address: cecile.janssens@emory.edu.

PMID: 25726454
DOI: 10.1016/j.jclinepi.2015.01.022

Comment

External validation is only needed when prediction models are worth it (Letter commenting on: J Clin Epidemiol. 2015;68:25-34)

Forike K Martens et al. J Clin Epidemiol. 2016 Jan.

. 2016 Jan:69:249-50.

doi: 10.1016/j.jclinepi.2015.01.022. Epub 2015 Feb 3.

Authors

Forike K Martens¹, Jannigje G Kers¹, A Cecile J W Janssens²

Affiliations

¹ Department of Clinical Genetics/EMGO Institute for Health and Care Research, Section Community Genetics, VU University Medical Center, Van der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands.
² Department of Epidemiology, Rollins School of Public Health, Emory University, 1518 Clifton Road NE, Atlanta, GA 30322, USA. Electronic address: cecile.janssens@emory.edu.

PMID: 25726454
DOI: 10.1016/j.jclinepi.2015.01.022

No abstract available

PubMed Disclaimer

Comment in

Response to letter by Forike et al.: more rigorous, not less, external validation is needed.
Siontis GC, Ioannidis JP. Siontis GC, et al. J Clin Epidemiol. 2016 Jan;69:250-1. doi: 10.1016/j.jclinepi.2015.01.021. Epub 2015 Jan 31. J Clin Epidemiol. 2016. PMID: 25724895 No abstract available.

Comment on

External validation of new risk prediction models is infrequent and reveals worse prognostic discrimination.
Siontis GC, Tzoulaki I, Castaldi PJ, Ioannidis JP. Siontis GC, et al. J Clin Epidemiol. 2015 Jan;68(1):25-34. doi: 10.1016/j.jclinepi.2014.09.007. Epub 2014 Oct 23. J Clin Epidemiol. 2015. PMID: 25441703

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