Table 2. Energy expenditure and its components measured using whole-room indirect calorimetrya.
| BAT-negative | BAT-positive | P values | |
|---|---|---|---|
| TEE (kcal/d) | 1889±90 | 1861±162 | 0.66 |
| RQ | 0.889±0.024 | 0.861±0.027 | 0.03 |
| TEE/FFM (kcal/kg) | 33.5±2.5 | 34.6±2.5 | 0.34 |
| SMR (kcal/d) | 1473±68 | 1415±122 | 0.24 |
| Energy balance (kcal/d) | 105±124 | 63±139 | 0.49 |
| Activity (%) | 24.8±3.4 | 22.9±2.2 | 0.16 |
| AIT (kcal/d) | 159±50 | 132±66 | 0.31 |
| DIT (kcal/d) | 132±86 | 188±45 | 0.06 |
Abbreviations: AIT, activity-induced thermogenesis; BAT, brown adipose tissue; DIT, diet-induced thermogenesis; RQ, respiratory quotient; SMR, sleeping metabolic rate; TEE, total energy expenditure.
a
Data are expressed as mean±s.d.