Table 4.

Analysis of predictive value of advanced age, number of embryos transferred, endometrial thickness on hCG day and pregnancy failure

	AUC	Cut-off value	Sensitivity	Specificity
Advanced age	0.691	35.00	65.89	84.15
Number of embryos transferred	0.582	2.56	68.59	75.63
hCG day endometrial thickness	0.726	9.23	72.25	76.21
P	0.001	0.035	0.013	0.001

Note: hCG: human chorionic gonadotropin.