| Treatment | RR | 95% CI lower limit | 95% CI upper limit | z | P |
| Levosimendan | 0.5721 | 0.1535 | 2.1319 | ‐0.83 | 0.4054 |
| Milrinone | 0.9730 | 0.1115 | 8.4901 | ‐0.02 | 0.9802 |
| Placebo | reference | reference | reference | reference | reference |
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