Table 4.
Statistics for model improvement with the addition of HbA1c content
| p value | ||
|---|---|---|
| Events, n (%) | 69 (12.9) | |
| Nonevents, n (%) | 464 (87.1) | |
| Continuous NRI (%) | ||
| cNRIevent | 42 | |
| cNRInonevent | 28 | |
| cNRI | 70 (95 % CI 47–94) | <0.001 |
| IDI statistics | ||
| IDI | 0.055 (95 % CI 0.035–0.075) | <0.001 |
| AUC | ||
| GRACE risk score | 0.75 (95 % CI 0.69–0.82) | |
| GRACE + HbA1c | 0.80 (95 % CI 0.75–0.85) | |
| Difference | 0.05 | 0.012 |
95 % CI 95 % confidence interval, IDI integrated discrimination improvement, NRI net reclassification improvement, cNRI continuous net reclassification improvement