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Journal Article

Citation

Zhao LP, Gerdin M, Westman L, Rodriguez-Llanes JM, Wu Q, van den Oever B, Pan L, Albela M, Chen G, Zhang DS, Guha-Sapir D, von Schreeb J. PLoS One 2013; 8(4): e61371.

Affiliation

People's Hospital of Deyang City, Deyang, Sichuan province, China.

Copyright

(Copyright © 2013, Public Library of Science)

DOI

10.1371/journal.pone.0061371

PMID

23585897

Abstract

INTRODUCTION: Earthquakes are the most violent type of natural disasters and injuries are the dominant medical problem in the early phases after earthquakes. However, likely because of poor data availability, high-quality research on injuries after earthquakes is lacking. Length of hospital stay (LOS) has been validated as a proxy indicator for injury severity in high-income settings and could potentially be used in retrospective research of injuries after earthquakes. In this study, we assessed LOS as an adequate proxy indicator for severe injury in trauma survivors of an earthquake. METHODS: A retrospective analysis was conducted using a database of 1,878 injured patients from the 2008 Wenchuan earthquake. Our primary outcome was severe injury, defined as a composite measure of serious injury or resource use. Secondary outcomes were serious injury and resource use, analysed separately. Non-parametric receiver operating characteristics (ROC) and area under the curve (AUC) analysis was used to test the discriminatory accuracy of LOS when used to identify severe injury. An 0.7

Language: en

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