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01.12.2017 | Letter to the Editor | Ausgabe 1/2017 Open Access

Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 1/2017

Letter 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"

Zeitschrift:
Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine > Ausgabe 1/2017
Autoren:
Charlie A. Sewalt, Eveline J. A. Wiegers, Esmee Venema, Hester F. Lingsma
Wichtige Hinweise
This comment refers to the article available at: https://​doi.​org/​10.​1186/​s13049-017-0419-4.

Abstract

The 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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