Table 4 Model discrimination and reclassification improvement for endpoint after addition of RA strain to the multivariable baseline model
From: Prognostic value of right atrial strains in arrhythmogenic right ventricular cardiomyopathy
C-index (95% CI) | p-value | NRI (95% CI) | p-value | IDI (95% CI) | p-value | |
|---|---|---|---|---|---|---|
Model 1 | 0.707 (0.617–0.797) | |||||
Model 2 | 0.748 (0.668–0.828) | 0.004 | 0.288 (- 0.068–0.557) | 0.114 | 0.098 (0.021–0.193) | 0.006 |
Model 3 | 0.769 (0.696–0.842) | < 0.001 | 0.317 (0.006–0.606) | 0.044 | 0.125 (0.031–0.237) | 0.006 |