Table 2 Demographic characteristics of participants with CF (CFS and ICF) and controls
From: Validation of the qi blood yin yang deficiency questionnaire on chronic fatigue
|  | 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) | |