Table 4. Secondary outcome analysis.
RR: risk ratio; CI: confidence interval
| Outcomes | RR | 95% CI |
| Myocardial infarction | 1.01 | 0.87 to 1.17 |
| Acute kidney injury | 1.01 | 0.93 to 1.09 |
| Acute respiratory failure | 1.32 | 0.87 to 2.00 |
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