A Genomic-Clinicopathologic Nomogram for the Prediction of Lymph Node Invasion in Prostate Cancer

Table 3

The NRI and IDI indices.

	Primary dataset		SMOTE-balanced training set		SMOTE-balanced validation set
	Values	value	Values	value	Values	value
NRI	0.23	<0.001	0.25	<0.001	0.58	<0.001
Events NRI	7.59%		8.93%		56.52%
Nonevents NRI	14.99%		16.17%		1.79%
IDI	0.32	<0.001	0.39	<0.001	0.18	<0.001

NRI: net reclassification improvement; IDI: integrated discrimination improvement; SMOTE: synthetic minority oversampling technique.