Table 4.

A comparison of discriminatory ability of gender, BAR and BAR +TNM stage with TNM stage using NRI and IDI.

	1-Year				3-Year				5-Year
	NRI	P	IDI	P	NRI	P	IDI	P	NRI	P	IDI	P
Gender vs. TNM stage	6.9%	0.593	1.9%	0.521	7.6%	0.637	−0.1%	0.989	−15.1%	0.450	−5.1%	0.248
BAR vs. TNM stage	19.0%	0.160	2.8%	0.300	20.0%	0.553	6.5%	0.230	14.4%	0.895	3.6%	0.771
BAR+TNM stage vs.	19.0%	0.060	3.1%	0.108	30.0%	0.188	6.5%	0.132	14.4%	0.633	3.8%	0.723
TNM stage

NRI, Net Reclassification Improvement; IDI, Integrated Discrimination Improvement.