Table 1 Both qualitative myocardial perfusion and quantitative measurement of perfusion reserve can be used to detect the presence of significant coronary artery stenosis. We show that quantitative perfusion reserve analysis, additionally, can be used to differentiate moderate from severe coronary stenosis.
| Â | Qualitative Interpretation | Quantitative Interpretation |
|---|---|---|
Sens/Spec/Acc (CAS > 70%) | 78%/55%/69% | 78%/73%/76% (PR < 1.55) |
Sens/Spec/Acc (CAS > 50%) | 78%/83%/79% | 83%/67%/79% (PR < 1.85) |