Fig. 3From: Management and outcome of patients supported with Impella 5.0 for refractory cardiogenic shockBox plots of left ventricular ejection fraction measured before Impella 5.0 implantation and after Impella removal during ICU stay. The line in the box indicates the median value of the data and the cross indicates the mean value. Paired Wilcoxon test for comparison. ICU intensive care unitBack to article page