Table 1. Subject characteristicsa.
| All | BAT-negative | BAT-positive | P values | |
|---|---|---|---|---|
| Number (M/F) | 21 (21/0) | 8 (8/0) | 13 (13/0) | |
| Age (years) | 26±7 | 29±8 | 24±5 | 0.15 |
| SUVmax | 5.72±5.24 | 1.13±0.40 | 8.54±4.79 | <0.001 |
| Weight (kg) | 63.8±6.2 | 66.7±5.8 | 62.1±6.0 | 0.10 |
| BMI (kgm−2) | 21.7±1.6 | 22.6±1.6 | 21.2±1.5 | 0.06 |
| Fat free mass (kg) | 55.0±5.3 | 56.6±4.2 | 54.0±5.8 | 0.28 |
| Fat mass (kg) | 10.1±2.9 | 11.4±2.8 | 9.3±2.8 | 0.12 |
| Body fat (%) | 15.5±4.0 | 16.6±3.3 | 14.8±4.4 | 0.33 |
| Glucose (mg/dL) | 91±6 | 92±9 | 91±4 | 0.72 |
| Insulin (mU/mL) | 4.1±1.3 | 4.1±1.0 | 4.2±1.6 | 0.90 |
| Triglyceride (mg/dL) | 86±34 | 79±28 | 90±37 | 0.45 |
| Total-cholesterols (mg/dL) | 172±54 | 177±31 | 170±65 | 0.78 |
| HDL (mg/dL) | 60±12 | 64±13 | 57±10 | 0.23 |
| LDL (mg/dL) | 101±32 | 94±19 | 106±38 | 0.40 |
| FFA (mEq/L) | 0.31±0.15 | 0.26±0.12 | 0.34±0.16 | 0.25 |
| T3 (ng/dL) | 92.2±12.8 | 95.4±13.3 | 90.3±12.6 | 0.39 |
| T4 (mg/dL) | 7.8±1.3 | 8.1±1.4 | 7.6±1.2 | 0.37 |
| TSH (mIU/mL) | 1.2±0.5 | 1.2±0.5 | 1.2±0.5 | 0.99 |
| Leptin (ng/mL) | 3.1±1.4 | 3.0±1.0 | 3.1±1.7 | 0.90 |
| Adiponectin (mg/L) | 8.4±3.2 | 7.7±3.4 | 8.8±3.2 | 0.47 |
| GLP-1 (pmol/L) | 2.0±1.0 | 1.9±0.8 | 2.1±1.1 | 0.70 |
| IL-6 (pg/mL) | 0.92±0.85 | 1.02±1.10 | 0.85±0.70 | 0.67 |
Abbreviations: BAT, brown adipose tissue; GLP-1, glucagon-like peptide-1; HDL, high-density lipoprotein cholesterol; IL-6, interleukin-6; LDL, low-density lipoprotein cholesterol; FFA, free fatty acid; T3, tri-iodothyronine; T4, thyroxin; TSH, thyroid stimulating hormone.
a
Data are expressed as mean±s.d.