Fig. 1From: Levosimendan for patients with severely reduced left ventricular systolic function and/or low cardiac output syndrome undergoing cardiac surgery: a systematic review and meta-analysisForest plot depicting analysis of the risk of mortality at longest follow-up in patients treated with levosimendan vs placebo. LVEF Left ventricular ejection fraction, LCOS Low cardiac output syndrome, M-H Mantel-HaenszelBack to article page