Table 1 Baseline clinical characteristics of chronic fatigue syndrome patients (cases) and non-fatigued controls
| Â | Cases (n=65) | Controls (n=21) |
|---|---|---|
Age, mean in years (SD) | 47.2 (11.5) | 45.2 (9.3) |
Female (%) | 75.4 | 66.7 |
BMI kg/m2 (SD) | 24.4 (4.9) | 25.3 (5.5) |
Smoked in the past 2 years (%) | 4.7 | 4.8 |
Symptom (%) | Â | Â |
Weakness >24 hours after exercise | 93.8 | 9.5 |
Unrefreshing sleep | 93.8 | 19.0 |
Impaired concentration | 90.8 | 4.8 |
Muscle pain | 81.5 | 14.3 |
Joint pain | 70.8 | 9.5 |
Headaches | 67.7 | 9.5 |
Lymph glands | 43.1 | 0 |
Sore throat | 46.2 | 8.0 |
Diagnosed with depression or anxiety | 64.6 | 19.0 |