Table 6. Reclassification improvement of 2-year POCE by ACEF-QFR versus post-PCI physiological index and other risk scores based on the validation dataset.
| NRI or IDI | [95% confidence interval] | P value |
| ACEF: age, creatinine, and ejection fraction; IDI: integrated discrimination improvement; NRI: net reclassification improvement; PCI: percutaneous coronary intervention; QFR: quantitative flow ratio. | ||
| ACEF score | ||
| NRI | 0.984 [0.311-1.657] | 0.004 |
| IDI | 6.68% [1.70%-11.66%] | 0.009 |
| Average post-PCI QFR | ||
| NRI | 0.681 [0.382-0.979] | 0.031 |
| IDI | 3.72% [2.39%-4.51%] | 0.050 |
| Lowest post-PCI QFR | ||
| NRI | 0.761 [0.464-1.058] | 0.015 |
| IDI | 4.66% [2.70%-5.43%] | 0.046 |
| Modified ACEF score | ||
| NRI | 0.916 [0.243–1.590] | 0.007 |
| IDI | 7.58% [0.55%-14.60%] | 0.035 |
| Residual SYNTAX score | ||
| NRI | 0.862 [0.337–1.387] | 0.001 |
| IDI | 8.51% [2.43%-14.60%] | 0.006 |