Measurement of body composition as a surrogate evaluation of energy balance in obese patients

Table 2 Most commonly proposed predictive equations for the estimation of the resting energy expenditure

	Age	Sex	Equation
Harris and Benedict (kcal/d)	15-74	Male	66.4730 + 13.7516 (W) + 5.0033 (H) – 6.7550 (A)
	15-74	Female	655.0955 + 9.5634 (W) + 1.8496 (H) – 4.6756 (A)
Schofield (MJ/die)	10-17	Male	0.074 (W) + 2.754
	10-17	Female	0.056 (W) + 2.898
	18-29	Male	0.063 (W) + 2.896
	18-29	Female	0.062 (W) + 2.036
	30-59	Male	0.048 (W) + 3.653
	30-59	Female	0.034 (W) + 3.538
	≥ 60	Male	0.049 (W) + 2.459
	≥ 60	Female	0.038 (W) + 2.755
FAO/ WHO/ UNU (MJ/d)	10-17	Male	0.0732 (W) + 2.72
	10-17	Female	0.0510 (W) + 3.12
	18-29	Male	0.0640 (W) + 2.84
	18-29	Female	0.0615 (W) + 2.08
	30-60	Male	0.0485 (W) + 3.67
	30-60	Female	0.0364 (W) + 3.47
	> 60	Male	0.0565 (W) + 2.04
	> 60	Female	0.0439 (W) + 2.49
Mifflin-St Jeor (kcal/d)	19-78	Male	10 × W + 6.25 × H – 5 × A + 5
	19-78	Female	10 × W + 6.25 × H – 5 × A – 161
Owen (kcal/d)	18-65	Male	879 + 10.2 × W
	18-65	Female	795 + 7.18 × W

To convert MJ into kcal, multiply the result by 239. W: Body weight (kg); H: Height (cm); A: Age (years).