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A model for predicting mortality among critically ill burn victims
Rita Galeiras1, José A Lorente, Sonia Pértega
1Hospital Juan Canalejo, A Coruña, Spain.
Objective:
To develop a model for predicting mortality among burn victims.
Methods:
All casualties admitted to our intensive care burn unit (ICBU) with a diagnosis of thermal or inhalation injury were studied. Age, total and full-thickness body surface area (BSA) burned, presence of inhalation injury, gender, mechanism of injury, delay to ICBU admission and mechanical ventilation during the first 72 h were recorded. The 851 participants were randomly divided into derivation (671) and validation (180) sets. From univariate and multivariate logistic regression analyses a mortality predictive equation was derived.
Results:
Mortality was 17.6%. In univariate analysis, all variables were significantly associated with mortality except mechanism of injury and delay to ICBU admission. In multivariate analysis, age, total and full-thickness BSA burned, female gender and early mechanical ventilation were independently associated with mortality.
Conclusions:
We propose a mortality predictive equation for burned victims. In this model, MV and not inhalation injury is a mortality risk factor.
