. 2011 Aug 8;589(Pt 19):4671–4679. doi: 10.1113/jphysiol.2011.216218

Table 2.

Dose–response curve parameters for skin blood flow (SkBF) during stepwise infusion of the ET-B receptor antagonist (BQ-788) and the ET-A receptor antagonist (BQ-123) in women with (PCOS) and without (Control) polycystic ovary syndrome

	ET-A		ET-B

	PCOS	Control	PCOS	Control
logED₅₀ (nm)	2.53 ± 0.09	2.49 ± 0.09	2.56 ± 0.09	2.41 ± 0.12
ED₅₀ (nm)	342.3	312.1	358.8	258.8
95% CI	221.6–528.8	204.9–475.5	141.0–473.8	233.5–551.4
Slope (%max SkBF/log[ET])	4.96 ± 4.77	4.74 ± 5.01	⁻4.69 ± 3.85	⁻4.03 ± 3.85

Data are presented as mean (SD).