Comparison 2. Pairwise analysis: levosimendan versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 All‐cause mortality within 30 days	2	217	Risk Ratio (M‐H, Random, 95% CI)	0.57 [0.15, 2.13]
2.2 Length of intensive care stay	2	217	Mean Difference (IV, Random, 95% CI)	‐0.06 [‐1.16, 1.04]
2.3 Duration of mechanical ventilation	2	217	Mean Difference (IV, Random, 95% CI)	1.21 [‐3.50, 5.91]
2.4 Inotrope score	2	217	Mean Difference (IV, Random, 95% CI)	‐1.06 [‐2.04, ‐0.08]