Table 6.
Bivariate analysis and hierarchical Cox final regression model for independent factors for death in 28 days
| Bivariate analysis | Cox final regression model | |||||
|---|---|---|---|---|---|---|
|
|
|
|||||
| Hazard ratio | Confidence interval 95% | P | Hazard ratio | Confidence interval 95% | P | |
| 1st Hierarchy - ICU admission variables | ||||||
| Age | 1.02 | 0.99-1.04 | 0.102 | |||
| TBSA | 1.03 | 1.01-1.05 | 0.001 | 1.03 | 1.02-1.05 | < 0.001 |
| Inhalation Injury | 0.89 | 0.41-1.97 | 0.782 | |||
| 3rd degree burn | 1.71 | 0.74-3.97 | 0.210 | |||
| Masculine sex | 0.90 | 0.38-2.16 | 0.819 | |||
| 2nd Hierarchy - Interventions and outcome | ||||||
| Vasopressor drug | 2.32 | 0.93-5.82 | 0.072 | |||
| Red blood cell concentrate | 0.53 | 0.24-1.18 | 0.119 | |||
| ARDS | 3.39 | 1.27-9.05 | 0.015 | 3.63 | 1.36-9.68 | 0.010 |
| AKI | 1.25 | 0.55-2.84 | 0.587 | |||
| 3rd Hierarchy - Accumulated fluid balance | ||||||
| Accumulated 24 hours | 1.00 | 1.00-1.00 | 0.096 | |||
| Accumulated 48 hours | 1.00 | 0.99-1.00 | 0.812 | |||
Legend: ICU - intensive care unit; TBSA - total burned body surface area; ARDS - acute respiratory distress syndrome; AKI - acute kidney injury.