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. 2021 Mar 18;16(3):e0248868. doi: 10.1371/journal.pone.0248868

Fig 2. ROC curves for RSBI in SBT (A), Dynamic Lung Compliance (B), Days of Mechanical Ventilation (C), Muscle Strength (D), Estimated GCS (E), Hematocrit (F), and Creatinine (G) used to distinguish the extubation success group from the failure group.

Fig 2

In the ROC curve analysis, the AUC was highest for RSBI in SBT (0.778), followed by the Dynamic Lung Compliance (0.700), Days of Mechanical Ventilation (0.686), Muscle Strength (0.662), Estimated GCS (0.630), Hematocrit (0.614), and Creatinine (0.587). ROC curve: receiver operating characteristic curve; RSBI in SBT: Rapid Shallow Breathing Index in Spontaneous Breathing Trial; Estimated GCS: Glasgow Coma Scale; AUC: area under the curve, CI: confidence interval.