Descriptive Statistics of Subjects in High-BAT and Low-BAT Groups
| All subjects | Women only | |||||
| Parameter | High BAT (n = 9) | Low BAT (n = 16) | P | High BAT (n = 8) | Low BAT (n = 7) | P |
| Age (y) | 29.6 ± 5.5 | 31.4 ± 9.7 | NS | 28.8 ± 5.2 | 29.9 ± 7.6 | NS |
| LBM (kg) | 46.5 ± 7.1 | 54.1 ± 11.0 | 0.04 | 45.0 ± 3.3 | 43.9 ± 5.3 | NS |
| BMI (kg/m2) | 22.1 ± 3.1 | 24.7 ± 3.9 | NS | 21.3 ± 2.4 | 22.7 ± 4.5 | NS |
| BSA (m2) | 1.73 ± 0.17 | 1.89 ± 0.25 | NS | 1.70 ± 0.14 | 1.69 ± 0.14 | NS |
| BAT mass (g) | 59.1 ± 17.5 | 2.2 ± 3.6 | 0.01* | 56.6 ± 17.0 | 1.7 ± 4.3 | 0.01* |
| Maximal SUV | 10.7 ± 3.9 | 2.1 ± 0.9 | 0.01 | 10.7 ± 3.9 | 1.8 ± 0.6 | 0.01 |
| RQ | 0.83 ± 0.06 | 0.91 ± 0.10 | 0.08 | 0.84 ± 0.06 | 0.88 ± 0.04 | NS |
| ΔRQ (%) | 0.2 ± 8.8 | −3.53 ± 9.2 | NS | −0.9 ± 8.7 | −0.03 ± 11.5 | NS |
| DEE (kcal/d) | 1,452 ± 242 | 1,676 ± 480 | NS | 1,458 ± 258 | 1,256 ± 209 | NS |
| ΔDEE (%) | 17.4 ± 15.0 | 0.4 ± 15.6 | 0.04 | 18.0 ± 16.1 | 13.6 ± 11.3 | NS |
↵* Nonparametric Mann–Whitney U test.
NS = not significant at the 0.05 level; LBM = lean body mass; BMI = body mass index; BSA = body surface area; RQ = respiratory quotient.