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Table 5 GRACE, GRACE+ fT3/fT4 ratio, GRACE+ fT3 and GRACE+ fT4 performance 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

  Discrimination Calibration Precision
C-statistic Standard error p value 95% CI HL p-Value R2 Brier Score
GRACE 0.755 0.0364 <0.001 0.727–0.782 0.337 0.119 0.0366
GRACE+ fT3/fT4 ratio 0.836 0.0286 <0.001 0.811–0.859 0.180 0.157 0.0348
GRACE+ fT3 0.765 0.0359 <0.001 0.736–0.791 0.185 0.090 0.0364
GRACE+ fT4 0.775 0.0358 <0.001 0.747–0.801 0.029 0.101 0.0362