Table 4.

Performance evaluation of the nomogram

	3D uncorrected model	3D corrected model	2D uncorrected model	2D corrected model
	AUC (95% CI) of the nomogram
Training cohort	0.662	0.658	0.794	0.843
	(0.509–0.816)	(0.502–0.813)	(0.666–0.921)	(0.736–0.950)
Validation cohort	0.677	0.670	0.898	0.914
	(0.499–0.850)	(0.511–0.849)	(0.721–1.000)	(0.775–1.000)
	P value of Hosmer–Lemeshow test
Training cohort	0.881	0.032	0.547	0.160
Validation cohort	0.328	0.430	0.717	0.478

Abbreviations: AUC-Area under the Receiver-Operating Characteristic Curve