Table 4.
Cox regression model of survival analysis of variables for 30-day mortality
| Hazard ratio | 95.0% CI | Sig. | |
|---|---|---|---|
| Age (years) | 1.096 | 0.656–1.830 | 0.727 |
| Sex | 1.491 | 0.877–2.535 | 0.140 |
| BMI (kg/m2) | 1.003 | 0.598–1.683 | 0.991 |
| Time of ETI | 1.327 | 0.730–2.413 | 0.354 |
| Departments of ETI | 0.401 | 0.247–0.653 | 0.000 |
| Pre-ETI | |||
| CPCR | 1.389 | 0.316–6.101 | 0.663 |
| Consciousness | 1.090 | 0.655–1.813 | 0.739 |
| MAP (mmHg) | 2.761 | 0.867–8.789 | 0.086 |
| HR (mmHg) | 1.043 | 0.548–1.986 | 0.898 |
| SI | 1.214 | 0.701–2.105 | 0.489 |
| Post-ETI | |||
| CPCR | 1.849 | 0.595–5.748 | 0.288 |
| ICU | 0.312 | 0.176–0.554 | 0.000 |
Abbreviation: CI Confidence interval, Sig significance, BMI Body mass index, ETI Emergent endotracheal intubation, CPCR Cardiopulmonary cerebral resuscitation, MAP Mean arterial pressure, HR Heart rate, SI Shock index, ICU Intensive care unit