Skip to main content

Table 5 Stages of evolution of the proposed RMR equation

From: Estimating the agreement between the metabolic rate calculated from prediction equations and from a portable indirect calorimetry device: an effort to develop a new equation for predicting resting metabolic rate

New equations in the initial form

log10(RMR) = 1.333–0.1522 log10(ΒΜΙ) or RMR (Kcal /24 h) = 21.53 X (BMI)-0.152

RMR equation for both sexes

R2 = 98.9%,

n = 383

(males = 106, females = 277), age = 10–77 y.

BMI

Individual multiplications

Normal Weight = 1

(1)-0.152 = 0.848

(21,53 Χ 0,848) =18.26

Overweight = 2

(2)-0.152 = 1.848

(21.53 X 1.848) = 39.79

Obesity class I = 3

(3)-0.152 = 2.848

(21.53 X 2.848) = 62.32

Obesity class II = 4

(4)-0.152 = 3.848

(21.53 X 3.848) = 82.85

Obesity class III = 5

(5)-0.152 = 4.848

(21.53 X 4.848) = 104.38

log10 (RMR) = 1.324–0.1786 x log10(ΒΜΙ) or RMR (Kcal/Kg BW/24 h) = 25.41 x (BMI)-0.2115

RMR equation for Males

R2 = 97.8%,

n = 105

males,

Age = 10–77 y

BMI

Individual multiplications

Normal Weight = 1

(1)- 0.2115 = 0.7885

(25.41 × 0.7885) =20.3

Overweight = 2

(2)- 0.2115 = 1.7885

(25.41 × 1.7885) = 45.50

Obesity class I = 3

(3)- 0.2115 = 2.7885

(25.41 × 2.7885) = 70.85

Obesity class II = 4

(4)- 0.2115 = 3.7885

(25.41 × 3.7885) = 96.26

Obesity class III = 5

(5)- 0.2115 = 4.7885

(25.41 × 4.7885) = 121.67

log10(RMR) = 1.405–0.2115 x log10(ΒΜΙ) or RMR (Kcal/Kg BW/24 h) = 21.09 x (BMI)-0.1786

RMR equation for Females

R2 = 91.9%,

n = 278

females,

Age = 10–77 y

BMI

Individual multiplications

Normal Weight = 1

(1) -0.1786 = 0.8214

(21.09 × 0.8214) =17.32

Overweight = 2

(2) -0.1786 = 1.8214

(21.09 × 1.8214) = 38.41

Obesity class I = 3

(3) -0.1786 = 2.8214

(21.09 × 2.8214) = 59.50

Obesity class II = 4

(4) -0.1786 = 3.8214

(21.09 × 3.8214) = 80.59

Obesity class III = 5

(5) -0.1786 = 4.8214

(21.09 × 4.8214) = 101.68

Back to article page

Nutrition & Metabolism

ISSN: 1743-7075

Contact us