| Treatment | RR | 95% CI lower limit | 95% CI upper limit | z | P |
| Dobutamine | NA | NA | NA | NA | NA |
| Levosimendan | 0.5711 | 0.0956 | 3.4127 | ‐0.61 | 0.5391 |
| Milrinone | 3.3500 | 0.9343 | 12.0118 | 1.86 | 0.0635 |
| Milrinone LD | 0.5356 | 0.0781 | 3.6749 | ‐0.64 | 0.5252 |
| Placebo | 0.9759 | 0.2729 | 3.4895 | ‐0.04 | 0.9701 |
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