Table 2.
Demographic characteristics of participants with CF (CFS and ICF) and controls
| Chronic fatigue | Controls (n = 30) | P value | ||
|---|---|---|---|---|
| CFS (n = 6 5) | ICF (n = 56) | |||
| Age (years) | 29.7 ± 4.9 | 27.4 ± 5.2 | 26.0 ± 3.7 | 0.001 |
| Sex (female) | 42 (64.6) | 20 (35.7) | 15 (50.0) | 0.007 |
| BMI (kg/m2) | 22.8 ± 3.5 | 22.3 ± 3.0 | 21.8 ± 3.1 | 0.746 |
| SBP (mm Hg) | 116.3 ± 11.0 | 116.8 ± 10.2 | 119.2 ± 12.7 | 0.471 |
| DBP (mm Hg) | 69.5 ± 11.1 | 71.8 ± 9.0 | 71.2 ± 12.5 | 0.471 |
| Pulse rate (beats/min) | 71.4 ± 8.9 | 70.0 ± 6.3 | 72.0 ± 9.5 | 0.482 |
| Body temperature (°C) | 36.4 ± 0.2 | 36.4 ± 0.2 | 36.4 ± 0.2 | 0.601 |
| Smoking | 18 (27.7) | 13 (23.2) | 4 (13.3) | 0.305 |
| Regular exercise | 20 (30.8) | 27 (48.2) | 12 (40) | 0.145 |
| Regular diet | 36 (55.4) | 33 (58.9) | 19 (63.3) | 0.76 |
| Pattern identification | ||||
| QD | 16 (24.6) | 13 (23.2) | 14 (46.7) | 0.129 |
| BD | 13 (20) | 18 (32.1) | 6 (20) | |
| YnD | 16 (24.6) | 14 (25) | 6 (20) | |
| YgD | 20 (30.8) | 11 (19.6) | 4 (13.3) | |
The data are represented as the means ± SDs or as numbers of participants and proportions; N (%) for continuous and categorical variables, respectively. One-way ANOVA was performed for continuous variables and Pearson’s χ2 test for categorical variables
CFS chronic fatigue syndrome, ICF idiopathic chronic fatigue, SBP systolic blood pressure, DBP diastolic blood pressure, QD qi deficiency, BD blood deficiency, YnD yin deficiency, YgD yang deficiency