Table 4.

Comparison of Significance (p value) Between Androgen, Estrogen and Cortisol Levels and EC50 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) and Spearman Coefficient (r Value)

	Days 1–2			Days 7–10
	No OC	OC	Combined	No OC	OC	Combined
EC50
Testosterone	0.28	0.71	0.29	0.83	0.042*	0.078
Androstenedione	0.080	0.29	0.044*	0.39	0.28	0.75
DHEA	0.39	0.40	0.23	0.66	0.37	0.81
Free Androgen Index (FAI)	0.20	0.87	0.26	0.44	0.13	0.62
Estradiol (E2)	0.54	0.73	0.26	0.81	0.82	0.64
Free Estrogen Index (FEI)	0.88	0.73	0.42	0.91	0.83	0.68
Cortisol	0.87	0.70	0.55	0.0011** (r=+0.63)	0.0080** (r=−0.46)	0.38

Notes: *p ≤ 0.05, **p ≤ 0.01.