The effect of fractional inspired oxygen concentration on early warning score performance: A database analysis.


Kadoorie Centre for Critical Care Research and Education, Nuffield Department of Clinical Neurosciences, University of Oxford, Level 3, John Radcliffe Hospital, Headley Way, Oxford, OX3 9DU, United Kingdom. Electronic address: [Email]


To calculate fractional inspired oxygen concentration (FiO2) thresholds in ward patients and add these to the National Early Warning Score (NEWS). To evaluate the performance of NEWS-FiO2 against NEWS when predicting in-hospital death and unplanned intensive care unit (ICU) admission.


Critical care,Decision trees,Early warning scores,Fractional inspired oxygen,Intensive care,Machine learning,Predictive scores,

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