Table 3.
Summary of Receiver Operating Characteristics (ROC) Curve Analysis
| Parameter | AUCROC | Cut-Off Value | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|
| WIS | 0.9922 | 0.1057 | 93.75 | 100 |
| AUC60 | 0.9911 | 436.9 | 93.33 | 100 |
| AUC90 | 0.9453 | 976.6 | 93.75 | 93.75 |
| AUC120 | 0.9492 | 1204 | 93.75 | 93.75 |
| AUC150 | 0.9337 | 685.9 | 85.71 | 100 |
| Ktrans | 0.9505 | 0.1714 | 100 | 85.71 |
| VE | 0.9038 | 5.518 | 75 | 100 |
| VP | 0.9898 | 1.733 | 92.86 | 100 |
Notes: WIS, wash-in slope; AUC, area under the curve; Ktrans, volume transfer constant; VE, extravascular-extracellular space volume fraction; VP, blood plasma fraction.