Table 3.

Multivariate logistic regression analysis with CP

	aOR	95% CI	P value
Age (y)	0.92	0.91–0.93	0.00
Tubal factor	0.95	0.86–1.04	0.25
PCOS	1.51	1.30–1.77	0.00
Ovarian dysfunction	0.60	0.46–0.80	0.00
Male factor	1.03	0.87–1.22	0.76
Endometrial thickness (mm)	1.07	1.05–1.08	0.00
Stage of embryo transferred	1.52	1.28–1.80	0.00
The number of embryos transferred	2.38	2.06–2.75	0.00
The number of cycles	0.96	0.84–1.11	0.60
Egg count	1.01	1.00–1.02	0.07
MII rate	1.22	0.87–1.71	0.26
2PN rate	1.50	1.14–1.99	0.00
High-quality embryo rate	1.75	1.45–2.11	0.00
Blastocyst formation rate	1.62	1.41–1.87	0.00

Bold: p < 0.05. P < 0.05 was considered to be statistically significant. PCOS Polycystic ovary syndrome