| CFS patients | Healthy controls | P value | P value, adjusted for gender, age, BMI, and depressive symptomsa |
---|---|---|---|---|
Plasma norepinephrine—mean (SD) | 1981 (777) | 1497 (418) | <0.001 | <0.001 |
Urine norepinephrine:creatinine ratio—median (IQR) | 12.4 (5.8) | 10.6 (5.8) | 0.075 | 0.01 |
Plasma epinephrine—median (IQR) | 308 (130) | 267 (99) | 0.002 | <0.001 |
Urine epinephrine:creatinine ratio—median (IQR) | 1.25 (1.22) | 1.45 (0.99) | 0.688 | 0.887 |
Plasma ACTH—median (IQR) | 3.80 (2.70) | 4.07 (2.90) | 0.272 | 0.368 |
Plasma cortisol—mean (SD) | 365 (145) | 351 (149) | 0.536 | 0.792 |
Urine cortisol:creatinine ratio—median (IQR) | 3.45 (3.25) | 5.34 (2.76) | 0.001 | 0.002 |
Plasma TSH—mean (SD) | 2.63 (1.08) | 2.76 (1.43) | 0.497 | 0.703 |
Plasma FT4—mean (SD) | 15.4 (2.2) | 14.6 (1.8) | 0.008 | 0.015 |