| Male/female | 14/86 |
| Age in years (mean ± SD) | 44 ± 11 |
| Length in cm (mean ± SD) | 173 ± 9 |
| Weight in kg (mean ± SD) | 72 ± 15 |
| BMI in kg/m2 (mean ± SD) | 24.2 ± 4.6 |
| CFS/ME duration in years (mean ± SD) | 13 ± 9 |
| ME severity 1/2/3 | 52/38/10 |
| Rand 36 score: physical functioning (mean ± SD) | 34 ± 20 |
| Rand 36 score: energy/fatigue (mean ± SD) | 44 ± 10 |
| Rand 36 score: pain (mean ± SD) | 46 ± 24 |
| Orthostatic intolerance complaints yes/no | 91/9 |
| Tilt table results: normal/POTS/delayed OH | 86/5/3 |