Table 3.

NRI and IDI for 3-, 5-, and 10-year overall survival in training cohort and validation cohort.

	Training cohort		Validation cohort
	Value	95% CI	Value	95% CI
NRI for 3 years	0.196	0.418–0.252	0.134	0.117–0.221
NRI for 5 years	0.036	0.007–0.069	0.032	0.007–0.062
NRI for 10 years	0.000	0–0.003	0.000	0–0.002
IDI for 3 years	0.125	0.106–0.141	0.121	0.117–0.221
IDI for 5 years	0.127	0.109–0.141	0.126	0.109–0.141
IDI for 10 years	0.133	0.115–0.153	0.123	0.106–0.147

NRI – net reclassification improvement; IDI – integrated discrimination improvement; CI – confidence interval.