Table 2.

Headache status.

Parameter	Controls	CFS	GWI
	(n = 45)	(n = 39)	(n = 50)
Migraine headache	6/45 (13.3%)	32/39 (82.1%)	32/50 (64%)	5.5 × 10−11*
With Aura (MA)	1/6	22/32	24/32
Without Aura (MO)	5/6	10/32	8/32
Comorbid migraine and tension headaches	3/6	24/32	20/32
Tension headache alone	12/45 (26.6%)	3/39 (7.6%)	10/50 (20%)

^*2 × 3 Fisher's exact test; Mean [±95% CI].