Hospital mortality in acute coronary syndrome: adjustment of GRACE score by D-dimer enables a more accurate prediction in a prospective cohort study

Table 4 Comparisons of the predictive performance of GRACE, GRACE+ D-dimer and D-dimer for the prognosis prediction

	z for C-statistic	p for C-statistic	NRI	p for NRI	IDI	p for IDI
GRACE vs. D-dimer	2.786	0.005	0.941	<0.001	0.045	0.003
GRACE+ D-dimer vs. GRACE	2.269	0.023	0.291	0.035	0.016	0.032
GRACE+ D-dimer vs. D-dimer	3.144	0.001	0.928	<0.001	0.051	<0.001

ISSN: 1471-2261