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Article History

Received: 27 December 2017

Accepted: 13 March 2019

First Online: 25 March 2019

Ethics approval and consent to participate

: All anonymized data were provided by the TraumaRegister DGU® of the German Trauma Society, which is multi-centre data base. The aim of this multi-centre database is a pseudonymised and standardised documentation of severely injured patients. The Ethical Committee Kiel, Schleswig-Holstein examined and approved the study (D415/18). The documentation includes detailed information on demographics, injury pattern, comorbidities, pre- and in-hospital management, course on intensive care unit, relevant laboratory findings including data on transfusion and outcome of each individual. The infrastructure for documentation, data management, and data analysis is provided by AUC - Academy for Trauma Surgery (AUC - Akademie der. Unfallchirurgie GmbH), a company affiliated to the German Trauma Society. The scientific leadership is provided by the Committee on Emergency Medicine, Intensive Care and Trauma Management (Sektion NIS) of the German Trauma Society. The participating hospitals submit their pseudonymised data into a central database via a web-based application. Scientific data analysis is approved according to a peer review procedure established by Sektion NIS. Participation in TraumaRegister DGU® is voluntary. For hospitals associated with TraumaNetzwerk DGU® however, the entry of at least a basic data set is obligatory for reasons of quality assurance. The present study is in line with the publication guidelines of the TraumaRegister DGU® and registered as TR-DGU project ID 2014–027.

: Participation in TraumaRegister DGU® is voluntary. All Patients, their parents or a legal guardian gave their consent in collecting data. All data were collected appropriate the guidelines of the TraumaRegister DGU® anonymously. Information about publications of data from the TraumaRegister DGU® were disclosed to all participants. All patients, parents or a legal guardian gave their agreement.

: All authors declare that there are no financial or non-financial competing interests.

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