| Treatment | IRR | 95% CI lower limit | 95% CI upper limit | z | P |
| Dobutamine | NA | NA | NA | NA | NA |
| Dopamine | NA | NA | NA | NA | NA |
| Levosimendan | 0.4925 [; ] 0.219 | 0.1591 | 1.5250 | ‐1.23 | 0.2194 |
| Milrinone | 1.0398 | 0.1782 | 6.0674 | 0.04 | 0.9654 |
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