Table 3.

Univariate logistic regression analysis results of factors affecting pregnancy outcome

Item	β	S.E.	Wald χ2	P	OR (95% CI)
Age ≥40 years old	1.731	1.239	3.859	0.005	3.876 (3.023~4.729)
Dysmenorrhea	1.648	1.421	5.438	0.012	3.586 (2.736~4.436)
History of cesarean section	1.259	1.764	3.462	0.010	3.648 (2.837~4.459)
Basal AFC <9	1.583	1.587	4.231	0.001	4.078 (2.987~5.169)
Number of high-quality embryos <4	1.374	1.321	3.745	0.000	4.876 (4.023~5.729)
Endometrial thickness on the day of HCG administration <11 mm	1.682	1.425	2.647	0.000	4.583 (3.674~5.519)