Table 4.

Multivariate regression analysis in predictive factors of blastocyst formation in the training cohorts.

Variables	Tubal factor group		PCOS group		Endometriosis group
	OR (95% CI)	p-Value	OR (95% CI)	p-Value	OR (95% CI)	p-Value
Female age	0.971 (0.955–0.987)	<0.001	0.982 (0.948–1.017)	0.313	0.977 (0.922–1.034)	0.414
AMH	1.040 (1.007–1.075)	<0.05	1.023 (0.992–1.055)	0.157	1.021 (0.916–1.145)	0.711
Oocytes retrieved	1.055 (1.041–1.069)	<0.001	1.048 (1.029–1.068)	<0.001	1.054 (1.009–1.101)	<0.05
Fertilization rate	7.243 (4.495–11.724)	<0.001	18.445 (7.913–43.848)	<0.001	27.205 (6.348–125.487)	<0.001
Top Day 3 embryo rate	14.698 (10.511–20.694)	<0.001	44.769 (24.239–84.872)	<0.001	8.289 (3.219–22.455)	<0.001

OR, odds ratio; PCOS, polycystic ovary syndrome; AMH, anti-Mullerian hormone.