Results of multiple linear regressions analysis of length of stay (days)
| Variables | Β | 95% CI | P values |
| TBSA | 0.085 | 0.056 to 0.113 | 0.000 |
| Full thickness burn | 0.105 | 0.052 to 0.157 | 0.000 |
| Electric burn | 0.228 | 0.129 to 0.328 | 0.000 |
| Flame burn | 0.093 | 0.031 to 0.155 | 0.003 |
| Nosocomial infection | 0.244 | 0.184 to 0.305 | 0.000 |
TBSA, total body surface area.