• Sriram Ramgopal, Christopher M Horvat, and Mark D Adler.
• Division of Emergency Medicine, Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America. Electronic address: sramgopal@luriechildrens.org.
• J Crit Care. 2020 Dec 1; 60: 27-31.

PurposeTo identify if triage hypothermia (<36.0 °C) among emergency department (ED) encounters with sepsis are independently associated with mortality.MethodsWe analyzed data from a multi-stage probability sample survey of visits to United States EDs between 2007 and 2015, using two inclusion approaches: an explicit definition based on diagnosis codes for sepsis and a severe sepsis definition, combining evidence of infection with organ dysfunction. We used multivariable regression to determine an association between hypothermia and in-hospital mortality.ResultsOf 1.2 billion ED encounters (95% confidence interval [CI] 1.0-1.3 billion), 3.1 million (95% CI 2.7-3.5 million) met the explicit sepsis definition; 7.4% (95% CI 75.2-9.7%) had triage hypothermia. The adjusted odds ratio (aOR) for hypothermia for in-hospital mortality was 6.82 (95% CI 3.08-15.22). The severe sepsis definition identified 3.5 million (95% 3.1-4.0 million) encounters; 30.3% (95% CI 25.0-34.6%) had triage hypothermia. The aOR for hypothermia with mortality was 4.08 (95% CI 2.09-7.95). Depending on sepsis definition, 78.1-84.4% had other systemic inflammatory response syndrome vital sign abnormalities.ConclusionUp to one in three patients with sepsis have triage hypothermia, which is independently associated with mortality. 10-20% of patients with hypothermic sepsis do not have other vital sign abnormalities.Copyright © 2020 Elsevier Inc. All rights reserved.

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