| Treatment | RR | 95% CI lower limit | 95% CI upper limit | z | P |
| Dobutamine | 0.7200 | 0.4581 | 1.1318 | ‐1.42 | 0.1546 |
| Levosimendan | 2.6419 | 1.1056 | 6.3128 | 2.19 | 0.0288 |
| Milrinone | 0.7800 | 0.5665 | 1.0741 | ‐1.52 | 0.1280 |
| Placebo | 0.6739 | 0.4504 | 1.0084 | ‐1.92 | 0.0550 |
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