• Journal of critical care · Feb 2017

    Statistical models for fever forecasting based on advanced body temperature monitoring.

    • Jorge Jordan, Pau Miro-Martinez, Borja Vargas, Manuel Varela-Entrecanales, and David Cuesta-Frau.
    • Department of Statistics, Polytechnic University of Valencia, Alcoi Campus, Plaza Ferrandiz y Carbonell, 2, 03801 Alcoi, Spain. Electronic address: jorjornu@eio.upv.es.
    • J Crit Care. 2017 Feb 1; 37: 136-140.

    AbstractBody temperature monitoring provides health carers with key clinical information about the physiological status of patients. Temperature readings are taken periodically to detect febrile episodes and consequently implement the appropriate medical countermeasures. However, fever is often difficult to assess at early stages, or remains undetected until the next reading, probably a few hours later. The objective of this article is to develop a statistical model to forecast fever before a temperature threshold is exceeded to improve the therapeutic approach to the subjects involved. To this end, temperature series of 9 patients admitted to a general internal medicine ward were obtained with a continuous monitoring Holter device, collecting measurements of peripheral and core temperature once per minute. These series were used to develop different statistical models that could quantify the probability of having a fever spike in the following 60 minutes. A validation series was collected to assess the accuracy of the models. Finally, the results were compared with the analysis of some series by experienced clinicians. Two different models were developed: a logistic regression model and a linear discrimination analysis model. Both of them exhibited a fever peak forecasting accuracy greater than 84%. When compared with experts' assessment, both models identified 35 (97.2%) of 36 fever spikes. The models proposed are highly accurate in forecasting the appearance of fever spikes within a short period in patients with suspected or confirmed febrile-related illnesses.Copyright © 2016 Elsevier Inc. All rights reserved.

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