Table 2.

Binary logistic regression analysis of factors associated with LBR, cLBR, and conservative cLBR.

	LBR OR (95%CI)	P	cLBR OR (95%CI)	P	Conservative cLBR OR (95%CI)	P
Maternal age at oocyte retrieval (IQR) — yr	0.94 (0.89–1.01)	0.082	0.97 (0.91–1.07)	0.315	0.95 (0.91-1.00)	0.030
Maternal BMI (IQR) —kg·m 2	0.94 (0.860–1.02)	0.09	0.94 (0.87–1.01)	0.106	0.96 (0.91-1.00)	0.063
Infertile years (IQR) — yr	1.02 (0.94–1.09)	0.707	0.99 (0.92–1.07)	0.782	1.01 (0.95–1.05)	0.861
Gravidity — no./total no. (%)	0.88 (0.65–1.20)	0.430	0.86 (0.64–1.17)	0.335	0.81 (0.65–1.02)	0.073
FSH(IQR) —mIU/mL	1.06 (0.97–1.17)	0.202	1.03 (0.94–1.13)	0.482	0.99 (0.95–1.04)	0.778
LH(IQR) —mIU/mL	0.88 (0.80–0.98)	0.016	0.92 (0.84-1.00)	0.061	0.99 (0.93–1.04)	0.640
Gonadotropin dose(IQR)—IU	1.00 (1.00–1.00)	0.938	1.00 (1.00–1.00)	0.520	1.00 (1.00–1.00)	0.646
Number of oocytes retrieval (IQR)	1.05 (0.98–1.12)	0. 179	1.05 (0.99–1.13)	0.120	1.06 (1.03–1.08)	< 0.001
r-ICSI 2PN fertilization	1.76 (0.78–3.96)	0.172	2.55 (1.15–5.65)	0.021	2.09 (1.19–3.66)	0.011
Method
Fresh ET	Reference		Reference		Reference
Freeze-all embryos and FET	10.85 (6.56–17.93)	< 0.001	12.12 (7.48–19.62)	< 0.001	2.66 (1.87–3.78)	< 0.001

Note: ET = embryo transfer; FET = frozen embryo transfer; LBR = live birth rate; cLBR = cumulative live birth rate