Table 2. Partial correlation coefficients controlled for age and regression equations between high metabolic rate organs and tissues as well as REE and either body weight or height (n = 262).
weight (W) | height (H) | weight (W) ×height (H) | ||||
r | regression | r | regression | r | regression | |
FMDXA (kg) | 0.79 ** | 0.009×W1.78 | −0.14 * | 48.62×H−1.42 | 0.84 | 0.02×W2.23×H−5.3 |
FFMDXA (kg) | 0.70 ** | 3.01×W0.66 | 0.72 ** | 10.35×H3.08 | 0.88 | 2.03×W0.48×H2.22 |
MMDXA (kg) | 0.70 ** | 0.93×W0.76 | 0.70 ** | 4.18×H3.40 | 0.85 | 0.62×W0.56×H2.41 |
organ mass, MRI | ||||||
brain (g) | 0.26 ** | 0.93×W0.11 | 0.54 ** | 0.92×H0.92 | 0.56 | 0.79×W0.041×H0.86 |
heart (g) | 0.49 ** | 0.03×W0.55 | 0.45 ** | 0.10×H2.14 | 0.58 | 0.024×W0.42×H1.42 |
liver (g) | 0.70 ** | 0.10×W0.62 | 0.47 ** | 0.57×H1.92 | 0.73 | 0.088×W0.54×H1.04 |
kidneys (g) | 0.68 ** | 0.01×W0.73 | 0.26 ** | 0.14×H1.36 | 0.68 | 0.012×W0.72×H0.19 |
spleen (g) | 0.46 ** | 0.004×W0.90 | 0.36 ** | 0.03×H3.39 | 0.53 | 0.003×W0.73×H2.19 |
REE (MJ/d) | 0.78 ** | 0.495×W0.59 | 0.59 ** | 2.14×H2.11 | 0.85 | 0.39×W0.49×H1.26 |
REE adj for weight (MJ/d) | - | - | 0.55 ** | 3.60×H1.17 | - | - |
*p<0.05.
**p<0.01.
W, weight, H, height; FM, fat mass; FFM, fat-free mass; MM, muscle mass; DXA, Dual X-ray Absorptiometry; MRI, Magnetic Resonance Imaging; REE, resting energy expenditure.