Table 2.

The performance of the predicting model.

Datasets	Area under the receiver operating curve			MRd
	IUPa, (n=1576)	EPb, (n=78)	BCPc, (n=49)
Training set	0.978	0.962	0.999		0.038
Validation set	0.963	0.942	0.996		0.045

^aIUP: intrauterine pregnancy

^bEP: ectopic pregnancy.

^cBCP: biochemical pregnancy.

^dMR: misclassification rate