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Diagnostic Performance of 2D-QCA for Predicting iFR (ROC analysis).
| Vessel | Accuracy/AUC (%) | Cut-off (%) | P value | Sensitivity (%) | Specificity (%) | 95% CI |
|---|---|---|---|---|---|---|
| LAD | 66.6 | 53.5 | <0.001 | 63.2 | 65.8 | 0.580–0.752 |
| LCX | 78.5 | 50.5 | <0.001 | 72.0 | 69.0 | 0.673–0.897 |
| RCA | 72.2 | 52.5 | <0.005 | 62.1 | 65.4 | 0.587–0.857 |
Note: CI, confidence interval; LAD, left anterior descending artery; LCX, left circumflex artery; RCA, right coronary artery.
