Evaluation of the SpO2/FiO2 ratio as a predictor of intensive care unit transfers in respiratory ward patients for whom the rapid response system has been activated
Fig 2
Comparison of the area of under the receiver operating characteristics curve for in-hospital mortality.
MEWS, Modified Early Warning Score; NEWS, National Early Warning Score; ViEWS, VitalPAC Early Warning Score; AUROC, area under the receiver operating characteristic curve. *SF ratio: SpO2/FiO2 ratio.