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Accuracy, sensitivity, specificity, PPV, and NPVa
| PET or ASL + | PET or SPECT + | SPECT or ASL + | Any One + | |
|---|---|---|---|---|
| Accuracy | 85.7% | 71.4% | 71.4% | 71.4% |
| Sensitivity | 100.0% | 100.0% | 66.7% | 100.0% |
| Specificity | 75.0% | 50.0% | 62.5% | 50.0% |
| PPV | 75.0% | 60.0% | 57.1% | 60.0% |
| NPV | 100.0% | 100.0% | 71.4% | 100.0% |
Positive = 1 modality positive.
