Results of the Cox proportional hazard analysis of hospital death
| Variables | HR | 95% CI | P values |
| Nosocomial infection | 4.266 | 2.218 to 8.208 | 0.000 |
| TBSA | 1.374 | 1.034 to 1.825 | 0.028 |
| Inhalation injury | 2.824 | 1.448 to 5.508 | 0.002 |
| Age | 1.003 | 0.991 to 1.016 | 0.608 |
| Gender | 1.212 | 0.667 to 2.201 | 0.528 |
Values of P< 0.05 are given in bold.
TBSA, total body surface area.