Treatment	RR	95% CI lower limit	95% CI upper limit	z	P
Dobutamine	0.6768	0.3080	1.4874	‐0.97	0.3312
Levosimendan + Dobutamine	0.0709	0.0026	1.9193	‐1.57	0.1158
Milrinone	0.7332	0.3393	1.5844	‐0.79	0.4299
Milrinone + Dobutamine	0.4963	0.1054	2.3371	‐0.89	0.3755
Milrinone LD	0.8584	0.3593	2.0507	‐0.34	0.7311
Placebo	1	1	1	NA	NA