Table 4

Comparisons of the predictive performance of GRACE, GRACE+ALP and ALP for the prognosis prediction

z for C-statisticP for C-statisticNRIP for NRIIDIP for IDI
GRACE vs ALP4.599<0.0010.310<0.0010.046<0.001
GRACE+ALP vs GRACE0.4850.6280.0200.6300.0140.056
GRACE +ALP vs ALP5.411<0.0010.272<0.0010.060<0.001
  • ALP, alkaline phosphatase; GRACE, Global Registry of Acute Coronary Events; IDI, integrated discrimination improvement; NRI, net reclassification improvement.