Research Article
Association of Irisin with Fat Mass, Resting Energy Expenditure, and Daily Activity in Conditions of Extreme Body Mass Index
Table 1
Independent effects of body composition and activity markers on variations in irisin plasma levels.
| | (95% CI) | value |
| Model 1 | | | REE (Kcal/d) | 0.35 (0.01; 0.005) | 0.001 | Daily physical activity (units/d) | −0.14 (−0.17; 0.01) | 0.088 | Corrected | | <0.001 | Model 2 | | | REE (Kcal/d) | 2.15 (0.06; 0.33) | 0.006 | Daily physical activity (units/d) | −0.10 (−0.15; 0.03) | 0.202 | Fat-free mass (Kg) | −1.81 (−9.81; −0.85) | 0.020 | Corrected | | <0.001 | Model 3 | | | REE (Kcal/d) | −0.43 (−0.08; 0.01) | 0.060 | Daily physical activity (units/d) | −0.12 (−0.16; 0.02) | 0.139 | Fat mass (Kg) | 0.94 (0.74; 2.31) | <0.001 | Corrected | | <0.001 | Model 4 | | | REE (Kcal/d) | 0.09 (−0.32; 0.14) | 0.435 | Daily physical activity (units/d) | 0.07 (−10.17; 9.09) | 0.119 | Fat mass (Kg) | 1.7 (0.6; 2.8) | 0.003 | Fat-free mass (Kg) | 1.3 (−4.8; 7.5) | 0.657 | Corrected | | <0.001 |
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Adjusted for age and BMI group (0: anorexia nervosa; 1: normal weight; 2: obesity).
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