Table 3.

Multiple linear regression analysis of possible determinants for number of oocytes retrieved.

Independent variables	Unstandardized coefficients		Standardized coefficients		P-value
	β (95% CI)	Std. Error	β	t
(Constant)	7.528 (3.840 to –11.216)	1.877	-	4.010	<0.001
AFC	0.465 (0.364 to –0.566)	0.051	0.370	9.041	<0.001
AMH (ng/mL)	0.926 (0.723 to –1.130)	0.104	0.346	8.924	<0.001
Age (years)	−0.142 (−0.219 to –0.064)	0.040	−0.110	−3.582	<0.001
MPA dose (10 vs. 4 mg)	−1.210 (−2.129 to –0.290)	0.468	−0.082	−2.585	0.010
Basal FSH (IU/L)	−0.147 (−0.281 to –0.012)	0.068	−0.076	−2.143	0.033
Total hMG dose (IU)	0 (−0.001 to –0.001)	0	0.008	0.246	0.806

The model (R = 0.763, R² = 0.583, adjusted R² = 0.578, P < 0.001). The values of the standardized coefficients reflect the independent contributions of each predictor to dependent variables.