235194.fig.003a
(a)
235194.fig.003b
(b)
235194.fig.003c
(c)
Figure 3: Scatter plot relating ventricular-arterial coupling ratio ( ) and left-ventricular ejection fraction (LVEF). (a) Resting values; (b) peak stress values; (c) and LVEF reserve values. Green circles: patients with follow-up events. Blue circles: patients without follow-up events. : arterial elastance index; : LV end-systolic elastance index; : ventricular-arterial coupling ratio.