Plaque enhancement index in different contrast-enhanced phases to differentiate between culprit and nonculprit plaques
| Variables | AUC (95% CI) | Sensitivity/Specificity | Cutoff | P Value |
|---|---|---|---|---|
| PEI 1st | 0.768 (0.680–0.843) | 59.0%/86.7% | 0.48 | <.001 |
| PEI 2nd | 0.829 (0.746–0.893) | 80.7%/70.0% | 0.83 | <.001 |
| PEI 3rd | 0.840 (0.759–0.902) | 83.1%/70.0% | 0.95 | <.001 |
| PEI 4th | 0.812 (0.727–0.879) | 84.3%/70.0% | 0.98 | <.001 |