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Accuracy, sensitivity, specificity, PPV, and NPVa
| PET and ASL + | PET and SPECT + | SPECT and ASL + | All + | |
|---|---|---|---|---|
| Accuracy | 85.7% | 78.6% | 78.6% | 71.4% |
| Sensitivity | 66.7% | 50.0% | 66.7% | 100.0% |
| Specificity | 100.0% | 100.0% | 100.0% | 100.0% |
| PPV | 100.0% | 100.0% | 100.0% | 100.0% |
| NPV | 80.0% | 72.7% | 72.7% | 66.7% |
Positive = all modalities positive.
