Table 2.
Comparison of NRI and IDI between models.
| Index | Model BICa VS Model S/Lb | Model S/L VS Model R2c | Baseline modeld VS Model S/L-LVTe | Baseline model VS Model S/L-LATf |
|---|---|---|---|---|
| NRI (categorical) [95% CI], p-value | 0.083 [0.015–0.150], 0.02 | − 0.002 [− 0.062 to 0.058], 0.95 | 0.021 [− 0.021 to 0.063], 0.33 | 0.2681 [0.092 to 0.445], < 0.01 |
| NRI + | 0.07 | 0 | − 0.019 | 0.133 |
| NRI − | 0.01 | 0 | 0.04 | 0.135 |
| NRI (continuous) [95% CI], p-value | 0.492 [0.278–0.705], < 0.001 | 0.277 [0.026 to 0.527], 0.03 | 0.489 [0.207 to 0.772], < 0.001 | 0.744 [0.261 to 1.227], < 0.01 |
| IDI [95% CI], p-value | 0.043 [0.026–0.060], < 0.001 | 0.004 [− 0.004 to 0.011], 0.36 | 0.021 [0.001 to 0.041], 0.04 | 0.03 [− 0.042 to 0.102], 0.417 |
Variables included in each model are as follows: aModel BIC: Hematocrit, WBC, Pulse pressure, D-dimer; bModel S/L: Hematocrit, WBC, hs-CRP, NT-proBNP, Pulse pressure, History of stroke, D-dimer; cModel R2: Hematocrit, WBC, hs-CRP, NT-proBNP, Pulse pressure, History of stroke, D-dimer, UA, dBaseline model: Hematocrit, WBC, hs-CRP, NT-proBNP, Pulse pressure, History of stroke, D-dimer; eModel S/L-LVT: Hematocrit, Age of onset, hs-CRP, NT-proBNP, Pulse pressure, History of stroke, D-dimer; fModel S/L-LAT: AF, AG, WBC, hs-CRP, NT-proBNP, Pulse pressure.