Measurement | Feature | Study part* |
STAI questionnaire | STAI | 1 and 2 |
Saliva sampling | Salivary cortisol concentration | 1 |
Electrocardiography | Heart rate; heart rate variability | 1 |
Electromyography | Muscle activity | 1 |
Electrodermal activity | Skin conductance level | 1 |
18F-FDG uptake | Uptake in muscles; uptake in brown adipose tissue | 1 and 2 |
↵* Total study comprised 2 consecutive parts, including 35 and 66 unique patients successively; not all measurements were done in both parts.