| aOR | adjusted odds ratio |
| AUROC | area under the receiver operating characteristic curve |
| BMI | body mass index |
| CI | confidence interval |
| DBP | diastolic blood pressure |
| ED | emergency department |
| HR | heart rate |
| IQR | interquartile range |
| ISS | injury severity score |
| PIH | postintubation hypotension |
| RR | respiratory rate |
| SBP | systolic blood pressure |
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