Fig. 3From: The ability of Oxygen Reserve Index® to detect hyperoxia in critically ill patientsReceiving operating characteristics (ROC) curves. A Abilites of Oxygen Reserve Index (ORI) and pulse oxyemtry (SpO2) to predict oxygen partial pressure (PaO2) > 100 mmHg. B Abilites of Oxygen Reserve Index (ORI) and pulse oxyemtry (SpO2) to predict oxygen partial pressure (PaO2) > 120 mmHgBack to article page