Table 4.

Univariate analysis of factors associated with FORT.

	Spearman correlation coefficient	P value
Age	−0.007	0.786
Duration of infertility (year)	0.008	0.757
D3 follicle-stimulating hormone (IU)	−0.005	0.856
Body mass index	−0.80	0.002
Day 3 oestradiol (pg/ml)	0.019	0.461
Stimulation days	−0.067	0.008
Total follicle-stimulating hormone amount	−0.50	0.049