Table 3.

Comparison of Significance (p value) Between Androgen, Estrogen and Cortisol Levels and Days of Headache per Month (DHeadachePM) According to Day of Testing (Days 1–2 or Days 7–10 of Menstrual Cycle) and OC Use (No OC, OC, or Combined) Describing Significance (p value)

	Days 1–2			Days 7–10
	No OC	OC	Combined	No OC	OC	Combine
DHeadachePM
Testosterone	0.13	0.049*	0.010**	0.54	0.99	0.70
Androstenedione	0.26	0.28	0.095	0.39	0.58	0.91
DHEA	0.14	0.23	0.035**	0.077	0.30	0.047*
Free Androgen Index (FAI)	0.20	0.079	0.041*	0.33	0.15	0.82
Estradiol (E2)	0.61	0.93	0.69	0.78	0.38	0.78
Free Estrogen Index (FEI)	0.88	0.73	0.42	0.92	0.83	0.68
Cortisol	0.87	0.44	0.56	0.71	0.42	0.61

Notes: *p ≤ 0.05, **p ≤ 0.01.