Comparison 2. LCOS.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 LCOS	4	286	Risk Ratio (M‐H, Random, 95% CI)	0.60 [0.33, 1.09]
1.1 Levosimendan	2	59	Risk Ratio (M‐H, Random, 95% CI)	1.22 [0.32, 4.65]
1.2 Placebo	2	227	Risk Ratio (M‐H, Random, 95% CI)	0.52 [0.28, 0.96]