New Predictive Equations for Resting Energy Expenditure in Normal to Overweight and Obese Population

Table 5

New predictive equations among total population.

Independent variables	Stepwise entry of variables	R	R square	Adjusted R square	Equation
Total (n = 423)
Age, gender, Ht, Wt, BMI, IBW, AdjWt, WC, HC, WHR, MAC, TST, MAMA	AdjWt	0.787	0.620	0.619	REE = 3832.955 + AdjWt × 48.037 − Ht (cm) × 30.642 + gender × 141.268 − age × 4.525; (equation AA_1)
	Ht	0.821	0.674	0.672
	Gender	0.834	0.695	0.693
	Age	0.838	0.702	0.699
Gender, PBF, FM, FMI, FFM, FFMI, TBW	FFM	0.819	0.671	0.670	REE = 683.588 + FFM × 21.168 − TBW × 6.119 + gender × 208.529 + FM × 5.704; (equation AA_FFM)
	TBW	0.832	0.692	0.691
	Gender	0.835	0.698	0.696
	FM	0.842	0.708	0.706
Normal weight population (n = 134)
Age, gender, Ht, Wt, BMI, WC, HC, WHR, MAC, TST, MAMA	Ht	0.746	0.556	0.553	REE = Ht × 14.923 + gender × 202.170 − 990.796; (equation AA_2)
	Gender	0.784	0.615	0.609
Age, gender, PBF, FM, FMI, FFM, TBW	FFM	0.745	0.555	0.551	REE = 1053.737 + FFM × 19.536 − TBW × 6.664 + gender × 196.446 − age × 6.445
	TBW	0.763	0.582	0.576
	Gender	0.789	0.622	0.613
	Age	0.798	0.637	0.625
Over Wt and obese (n = 289)
Age, gender, Ht, Wt, BMI, IBW, AdjWt, WC, HC, WHR, MAC, TST, MAMA	AdjWt	0.763	0.582	0.580	REE = 4128.975 + AdjWt × 49.455 − Ht (cm) × 33.117 + gender × 160.727 − age × 4.207; (equation AA_3)
	Ht	0.798	0.637	0.634
	Gender	0.813	0.661	0.657
	Age	0.817	0.668	0.663
Age, gender, PBF, FM, FMI, FFM, FFMI, TBW	FFM	0.800	0.640	0.639	REE = 712.703 + FFM × 30.735 − TBW × 9.738 − age × 4.180
	TBW	0.815	0.664	0.661
	Age	0.819	0.671	0.667

Gender for men use 1 and for women use 0. AdjWt is Adjusted body weight = IBW + 0.25 × (Wt – IBW). IBW is Ideal body weight; for men IBW = (Ht (cm) − 152.4) × 1.0714) + 45.36 and for women IBW = (Ht (cm) − 152.4) × 0.8928) + 45.36.