Area under ROC curve (univariate analysis)
| Phase | AUC | 95% LCL | 95% UCL | Optimal Cutoff (HU) | Sensitivity | Specificity |
|---|---|---|---|---|---|---|
| Precontrast | 0.983 | 0.954 | 1 | 62 | 0.966 | 0.983 |
| Arterial | 0.979 | 0.955 | 1 | 129 | 0.828 | 1 |
| Venous | 0.965 | 0.933 | 0.997 | 120.6 | 0.897 | 0.931 |
| Delayed | 0.957 | 0.916 | 0.998 | 125 | 0.966 | 0.879 |
Note:—AUC indicates area under the curve; HU, Hounsfield unit; LCL, lower control limit; UCL, upper control limit.