Table 5.
Sensitivity, Specificity, and Odds Ratio of the Parameters for Perfusion Quantification for GISTs in Compared with Leiomyomas
| Parameter | Cutoff value | Sensitivity | Specificity | Positive predictive value | Negative predictive value | Odds ratio |
|---|---|---|---|---|---|---|
| PE | 166.7 | 84.4 | 60.0 | 93.1 | 37.5 | 8.1 |
| WiR | 37.3 | 78.1 | 60.0 | 92.6 | 30.0 | 5.4 |
| WiPI | 103.35 | 84.4 | 60.0 | 93.1 | 37.5 | 8.1 |
| WiWoAUC | 2037.5 | 78.1 | 60.0 | 92.6 | 30.0 | 5.4 |
GISTs, gastrointestinal stromal tumors; PE, peak enhancement; a.u., arbitrary units; WiR, wash-in rate; WiPI, wash-in perfusion index; WiWoAUC, wash-in/wash-out area under the curve.