Study	Treatment 1	Treatment 2	RR	95% CI lower limit	95% CI upper limit
Hoffman 2003	Milrinone	Milrinone LD	0.6586	0.3058	1.4181
Hoffman 2003	Milrinone LD	Placebo	0.4628	0.2427	0.8825
Hoffman 2003	Milrinone	Placebo	0.7027	0.3870	1.2759
Jothinath 2021	Levosimendan	Milrinone	0.9685	0.5021	1.8682
Lechner 2012	Levosimendan	Milrinone	0.9685	0.5021	1.8682
Pellicer 2013	Levosimendan	Milrinone	0.9685	0.5021	1.8682
Wang 2019	Levosimendan	Placebo	0.4482	0.2437	0.8242