Table 2.

Serum hormones and scores on the Beck Depression Inventory (BDI) in patients and healthy control subjects

	Patients		Controls
	Fibromyalgia	Chronic fatigue syndrome
Variable	(N = 68)	(N = 62)	(N = 46)
BDI score	22.48 ± 12.53*	24.18 ± 12.67*	12.48 ± 5.83
LH	7.65 ± 6.45	6.63 ± 5.89	6.88 ± 4.69
FSH	5.92 ± 4.38	6.41 ± 4.35	6.69 ± 4.87
Progesterone	4.13 ± 5.76	3.69 ± 4.18	3.78 ± 3.97
Estradiol	113.24 ± 89.48	105.52 ± 101.12	94.15 ± 59.34
Prolactin	23.34 ± 17.12	24.19 ± 16.88	19.35 ± 10.45
Cortisol	10.14 ± 6.49*	10.38 ± 5.82*	13.52 ± 6.25

Values are means ± standard deviation. *Significantly different from control value (P < 0.05). FSH, follicle-stimulating hormone; LH, luteinizing hormone.