Table 3.

Determinants of clinical pregnancy (n=567)

Model	Independent variables	AIC	aOR (95% CI)	p-value
Complete model
	Wife’s age (year)		0.98 (0.93–1.03)	0.453
	Husband’s age (year)		1.01 (0.96–1.06)	0.643
	BMI of wife		0.98 (0.94–1.02)	0.291
	BMI of husband		1.01 (0.97–1.06)	0.649
	LH (mIU/L)		1.02 (0.98–1.07)	0.344
	FSH (mIU/ml)		1.00 (0.96–1.05)	0.834
		763.12
	No. of large follicles		1.01 (0.98–1.04)	0.556
	No. of oocytes retrieved		0.99 (0.93–1.05)	0.699
	No. of matured oocytes		0.93 (0.83–1.04)	0.213
	No. of fertilized oocytes		1.26 (0.89–1.78)	0.201
	No. of cleaved embryos		0.96 (0.68–1.36)	0.812
	AMH >= 1.10		1.00 (0.59–1.68)	0.986
Optimal model (lowest AIC value)
	No. of matured oocytes		0.92 (0.84–1.01)	0.098
		746.79
	No. of fertilized oocytes		1.20 (1.09–1.33)	<0.001