Table 3.

Multivariate logistic regression analysis of factors on clinical pregnancy.

Variable	β	Wald	P	OR (95%CI)
HCG priming	0.193	0.380	0.538	1.212 [0.657, 2.237]
No. of fertilized oocytes	0.132	0.419	0.518	1.141 [0.765, 1.701]
Fertilization rate	0.408	0.063	0.802	1.503 [0.062, 36.455]
No. of cleavage embryos	0.054	0.084	0.771	1.056 [0.733, 1.520]
Cleavage rate	1.040	0.371	0.542	2.830 [0.100, 80.367]
No. of embryos available	−0.216	2.283	0.131	0.806 [0.610, 1.066]
Available embryo rate	1.418	1.108	0.293	4.129 [0.294, 57.917]
No. of embryos transferred	0.767	5.878	0.015	2.153 [1.158, 4.001]

β, regression coefficient; OR, odd ratio; No., number.