Treatment	RR	95% CI lower limit	95% CI upper limit	z	P
Dobutamine	0.4193	0.0038	45.9536	‐0.36	0.7169
Levosimendan	0.5445	0.0436	6.7964	‐0.47	0.6369
Milrinone	0.4536	0.0322	6.3865	‐0.59	0.5580
Placebo	reference	reference	reference	reference	reference