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Scand J Trauma Resus · Nov 2017
Comment LetterLetter to the Editor regarding the article: "identifying pre-hospital factors associated with outcome for major trauma patients in a regional trauma network: an exploratory study".
- Charlie A Sewalt, Eveline J A Wiegers, Esmee Venema, and Hester F Lingsma.
- Center for Medical Decision Making, Department of Public Health, Erasmus University Medical Center, P.O. Box 2040, 3000, CA, Rotterdam, The Netherlands. c.sewalt@erasmusmc.nl.
- Scand J Trauma Resus. 2017 Nov 25; 25 (1): 113.
AbstractThe aim of this Letter to the Editor was to report some methodological shortcomings in a recently published article. Issues regarding missing values and overfitting are mentioned. First, Complete Case (CC) analysis was used instead of an imputation method. Second, there was a high chance of overfitting and lack of model validation. In conclusion, the results of this study should be interpret with caution and further research is necessary.
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