Adult formulas | Kcal/day | Comments |
Harris Benedict | Men: 66.5 + 13.8(weight in kg) + 5(height in cm) − 6.76(age in years) Women: 655 + 9.6(weight in kg) + 1.85(height in cm) − 4.68(age in years) | Estimates basal energy expenditure; can be adjusted by both activity and stress factor, multiply by 1.5 for common burn stress adjustment |
Toronto Formula | −4343 + 10.5(TBSA) + 0.23(calorie intake in last 24 h) + 0.84(Harris Benedict estimation without adjustment) + 114(temperature) − 4.5(number of postburn days) | Useful in acute stage of burn care; must be adjusted with changes in monitoring parameters |
Davies and Lilijedahl | 20(weight in kg) + 70(TBSA) | Overestimates caloric needs for large injuries |
Ireton-Jones | Ventilated patient: 1784 − 11 (age in years) + 5 (weight in kg) + (244 if male) + (239 if trauma) + (804 if burn) Non-ventilated patient: 629 − 11 (age in years) + 25 (weight in kg) − (609 if obese) | Complex formula which integrates variables for ventilation and injury status |
Curreri | Age 16–59: 25(weight in kg) + 40(TBSA) Age >60: 20(weight in kg) + 65(TBSA) | Often overestimates caloric needs |
Pediatric formulas | Â | Â |
Galveston | 0–1 year: 2100(body surface area) + 1000(body surface area × TBSA) 1–11 year: 1800(body surface area) + 1300(body surface area × TBSA) 12–18 years: 1500(body surface area) + 1500(body surface area × TBSA) | Focuses on maintaining body weight |
Curreri junior | <1 year: recommended dietary allowance + 15(TBSA) 1–3 years: recommended dietary allowance + 25(TBSA) 4–15 years: recommended dietary allowance + 40(TBSA) | Commonly overestimates caloric needs |