C-Statistic | P value | NRI (95%CI) | P value | IDI (95%CI) | P value | |
---|---|---|---|---|---|---|
Original model + NT-proBNP SHR + original model + NT-proBNP | 0.750 (0.706–0.793) 0.772 (0.731–0.813) | 0.026 | 0.289 (0.112–0.465) | 0.002 | 0.019 (0.006–0.032) | 0.003 |
Original model + SHR NT-proBNP + original model + SHR | 0.758 (0.716–0.801) 0.772 (0.731–0.813) | 0.009 | 0.039 (− 0.137–0.215) | 0.666 | 0.013 (0.001–0.026) | 0.040 |