Table 3:

Comparison of Indirect Calorimetry to Established Resting Energy Expenditure Equations

	Resting Energy Expenditure (kcal/day)		% Difference*	p-value	MUE (kcal/day)	MOE (kcal/day)	r
	Mean ± SD	Range
Indirect Calorimetry	1,643.3 ±395.9	619, 2,794	---	---	---	---	—
Equation
Harris-Benedict	1,610.0 ±278.5	1,232.1, 2,578.2	1.4%	0.41	-915.0	724.4	0.78
Mifflin	1,509.3 ±261.7	1,100.4, 2,289.9	−5.1%	<0.001	−1033.3	695.7	0.78
Owens	1,602.1 ±265.1	1,292.0, 2,415.1	1.2%	0.30	−821.3	919.7	0.75
WHO/FAU/UNU	1,670.0 ±249.9	1,322.8, 2,520.0	5.6%	0.49	−859.4	801.6	0.78
SECA	1,595.8 ±244.9	1,276, 2,703	1.4%	<0.001	−941	889	0.72

All values are represented as means ± standard deviation, range, or % difference

^*represents the difference between the gold standard (indirect calorimetry using ReeVue) and the equation used.

r – correlation coefficient

Abbreviations: MUE – Minimum Underestimation of Indirect vs. Equation; MOE – Maximum Overestimation of Indirect vs. Equation;WHO – World Health Organization; FAU – Food and Agriculture Organization of the United Nations; UNU – United Nations University