Table 6.

Plasma neurosteroid levels in patients affected by cluster headache and their healthy controls

	Cluster headache	Controls	P
AP (ng/mL)	0.3 ± 0.1	0.7 ± 0.2	< 0.01
EAP (ng/mL)	0.4 ± 0.1	0.3 ± 0.2	n.s.
DHEA (ng/mL)	2.9 ± 2.2	4.3 ± 5.0	n.s.
DHEAS (μg/mL)	2.6 ± 1.7	2.2 ± 1.7	n.s.

Values are means + S.D. Statistical analysis was performed by Student’s t test