Table 3.

Improved model performance over the euro SCORE II for mortality in the validation cohort.

Statistic	Estimate	95% CI		p value	Statistic	Estimate	95% CI		p value
NRI (Controls)	−0.416	0.501	0.331	0	IDI (Controls)	2.609	2.375	2.844	0
NRI (Cases)	1.000	0.510	1.490	0	IDI (Cases)	−5.025	6.906	3.144	0
NRI (Overall)	0.584	0.087	1.082	0.021	IDI (Overall)	−2.415	4.311	0.520	0.013

CI, confidence interval; NRI, net reclassification improvement; IDI, integrated discrimination improvement. Performance improvement compared with Euro SCORE II.