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Table 6 Comparisons of the predictive performance of GRACE, GRACE+ fT3/fT4 ratio, GRACE+ fT3 and GRACE+ fT4 for the prognosis prediction

From: Value of the fT3/fT4 ratio and its combination with the GRACE risk score in predicting the prognosis in euthyroid patients with acute myocardial infarction undergoing percutaneous coronary intervention: a prospective cohort study

 

z for C-statistic

p for C-statistic

NRI

p for NRI

IDI

p for IDI

GRACE vs. GRACE+ fT3/fT4 ratio

2.116

0.034

0.614

<0.001

0.0415

0.007

GRACE vs. GRACE+ fT3

0.608

0.543

0.198

0.231

0.0047

0.277

GRACE vs. GRACE+ fT4

1.078

0.281

0.243

0.141

0.0095

0.142