Treatment	RR	95% CI lower limit	95% CI upper limit	z	P
Dobutamine	0.9138	0.0071	118.3373	‐0.04	0.9710
Levosimendan	0.9844	0.0529	18.3300	‐0.01	0.9916
Milrinone	0.9884	0.0527	18.5311	‐0.01	0.9938
Placebo	reference	reference	reference	reference	reference