Table 5.

Multivariate logistic regression analysis of predictive factors associated with LFR

	B	OR	95% CI	P value
Primary infertility
No	Reference
Yes	0.401	1.494	1.152 to 1.940	0.002
Ovarian stimulation protocol
GnRH antagonist	Reference
Follicular phase GnRH agonist	0.448	1.566	1.124 to 2.195	0.009
Luteal phase GnRH agonist	0.165	1.180	0.714 to 1.889	0.503
Progesterone primed ovarian stimulation	−0.546	0.579	0.343 to 0.935	0.032
Duration of stimulation (days)	0.046	1.047	0.984 to 1.107	0.131
Initial progressive sperm motility	−0.016	0.984	0.975 to 0.992	<0.001

B, regression coefficient; GnRH, gonadotropin-releasing hormone; LFR, low fertilisation rate.