Central Venous Oxygen Saturation as a Predictor of a Successful Spontaneous Breathing Trial from Mechanical Ventilation: A Prospective, Nested Case-Control Study

Fig. (1) ROC curves for Hb concentration, SaO₂ (at the end of the SBT) and ScvO₂ (at the end of the SBT) for predicting a successful SBT outcome.