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"

作者：Sewalt Charlie A^*; Wiegers Eveline J A; Venema Esmee; Lingsma Hester F

来源：Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine, 2017, 25(1): 113.

DOI：10.1186/s13049-017-0454-1

• Predictive factors
• Prediction modelling
• Methodology

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.

• 出版日期2017-11-25