Table 2 Imaging characteristics of activated BAT on 18F-FDG PET/CT and environmental factors
| Parameter | Mean ± SD | Median (range) |
|---|---|---|
| BAT (HU) | − 141 ± 20 | − 117.5 (− 163 to − 95) |
| BAT highest SUVmax | 13.3 ± 9.9 | 9.5 (2–33) |
| BAT TMA | 79.6 ± 45 | 70 (6–195) |
| Indoor temperature (c) | 18.9 ± 0.8 | 19 (18–20) |
| Outdoor temperature (c) | 32.6 ± 8.3 | 33 (17–48) |