• Ian Ayenga Sammy, Hridesh Chatha, Omar Bouamra, Marisol Fragoso-Iñiguez, Fiona Lecky, and Antoinette Edwards.
• School of Health and Related Research, University of Sheffield, Sheffield, UK.
• Emerg Med J. 2017 Oct 1; 34 (10): 647-652.

IntroductionWhole-body CT (WBCT) use in patients with trauma in England and Wales is not well documented. WBCT in trauma can reduce time to definitive care, thereby increasing survival. However, its use varies significantly worldwide.MethodsWe performed a retrospective observational study of Trauma Audit and Research Network (TARN) data from 2012 to 2014. The proportion of adult patients receiving WBCT during initial resuscitation at major trauma centres (MTCs) and trauma units/non-designated hospitals (TUs/NDHs) was compared. A model was developed that included factors associated with WBCT use, and centre effects within the model were explored to determine variation in usage beyond that expected from the model.ResultsOf the 115 664 study participants, 16.5% had WBCT. WBCT was performed five times more frequently in MTCs than in TUs/NDHs (31% vs 6.6%). In the multivariate model, increased injury severity, low GCS, shock, comorbidities and triage category increased the chances of having a WBCT, but there was no consistent relation with age. High falls and motor vehicle collisions also increased WBCT usage. Adjusting for casemix, there was a 13-fold intrahospital variation in the use of WBCT between MTCs and a 30-fold variation between TUs/NDHs. The amount of variability between individual hospitals that could not be accounted for by the factors shown to impact on WBCT use was 26% (95% CI 17% to 39%) for MTCs and 17% (95% CI 13% to 21%) for TUs/NDHs.ConclusionThere are significant variations in WBCT use between different hospitals in England and Wales, which require further investigation.© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2017. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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