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Discriminating Bacterial Infection from Other Causes of Fever Using Body Temperature Entropy Analysis
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In: Entropy; Volume 24; Issue 4; Pages: 510 (2022)
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Abstract:
Body temperature is usually employed in clinical practice by strict binary thresholding, aiming to classify patients as having fever or not. In the last years, other approaches based on the continuous analysis of body temperature time series have emerged. These are not only based on absolute thresholds but also on patterns and temporal dynamics of these time series, thus providing promising tools for early diagnosis. The present study applies three time series entropy calculation methods (Slope Entropy, Approximate Entropy, and Sample Entropy) to body temperature records of patients with bacterial infections and other causes of fever in search of possible differences that could be exploited for automatic classification. In the comparative analysis, Slope Entropy proved to be a stable and robust method that could bring higher sensitivity to the realm of entropy tools applied in this context of clinical thermometry. This method was able to find statistically significant differences between the two classes analyzed in all experiments, with sensitivity and specificity above 70% in most cases.
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Keyword:
Approximate Entropy; body temperature; classification; fever; Sample Entropy; Slope Entropy; time series
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URL: https://doi.org/10.3390/e24040510
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| 2 |
Monitoring the Evolution of Asynchrony between Mean Arterial Pressure and Mean Cerebral Blood Flow via Cross-Entropy Methods
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In: Entropy; Volume 24; Issue 1; Pages: 80 (2022)
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| 4 |
Entropy Measures as Descriptors to Identify Apneas in Rheoencephalographic Signals
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In: Entropy ; Volume 21 ; Issue 6 (2019)
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| 5 |
Exploring Entropy Measurements to Identify Multi-Occupancy in Activities of Daily Living
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In: Entropy ; Volume 21 ; Issue 4 (2019)
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| 6 |
Entropy Mapping Approach for Functional Reentry Detection in Atrial Fibrillation: An In-Silico Study
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In: Entropy ; Volume 21 ; Issue 2 (2019)
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| 7 |
Entropy Analysis of Short-Term Heartbeat Interval Time Series during Regular Walking
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| 8 |
Detection of epileptic seizure based on entropy analysis of short-term EEG
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| 9 |
Characterisation of the idiotypic immune network through persistent entropy
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In: Springer Proceedings in Complexity ; European Conference on Complex Systems (ECCS14) ; https://hal.archives-ouvertes.fr/hal-01260143 ; European Conference on Complex Systems (ECCS14), Sep 2014, Lucca, Italy. pp.117-128, ⟨10.1007/978-3-319-29228-1_11⟩ (2014)
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| 11 |
Nonparametric Steganalysis of QIM Data Hiding using Approximate Entropy
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In: http://www-personal.engin.umd.umich.edu/~hafiz/Apen_spie08.pdf
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