Assessing the Left Ventricular Systolic Function at the Bedside: The Role of Transpulmonary Thermodilution-Derived Indices
Bland-Altman analyses of agreement between GEF (a) or CFI (b) and the LVEF measured by the Simpson method. The central line is the mean difference (bias) between the two methods whereas the outer lines represent the two SD limits of agreement. From Belda et al.  with permission.