Baux Score – Burn Mortality Risk
Estimates burn mortality risk using age, %TBSA burned, and inhalation injury (revised Baux score)
For use by health professionals only. The Baux / revised Baux scores provide population-level estimates and are not precise individual predictions. They must not be used alone to decide on futility or limit active treatment. Always follow specialist burn centre guidance and local protocols.
Enter burn details
Original Baux score (Age + %TBSA): –
Revised Baux score (Age + %TBSA + 17×inhalation): –
Risk band (based on revised Baux): Not yet calculated
Enter age, %TBSA burned, and inhalation status, then click “Calculate Baux scores” to see original and revised scores with an approximate risk band.
Original Baux score = Age + %TBSA. Revised Baux (r-Baux) = Age + %TBSA + 17×(inhalation injury present). Modern series suggest that survival has improved, so scores >100 are no longer universally “unsurvivable”, but higher scores still correlate strongly with increased mortality risk. Always interpret in context of comorbidities, burn centre capabilities, and patient/family wishes.
The Baux Score is a simple prognostic index used in burn care to roughly estimate a patient’s risk of death after thermal burns. It combines two (or three) major predictors of mortality:
- Age
- % Total Body Surface Area (%TBSA) burned
- ± Inhalation injury (in the revised version)
It’s widely used because it’s quick, bedside-friendly, and correlates well with burn severity and outcome, even though modern care has made it less exact as a literal “% mortality” rule. Wikipedia+2ScienceDirect+2
