Table 1 Cross tabulation of Fractional Flow Research grading (negative ≥0.8, grey 0.75-0.79 and positive <0.75) and the qualitative result of (A) Perfusion cardiac magnetic resonance (CMR) and (B) SPECT.
A | Â | CMR | Â | Total |
|---|---|---|---|---|
| Â | Â | Non ischaemic | Ischaemic | Â |
FFR | Negative | 20 | 0 | 20 |
| Â | Grey | 7 | 2 | 9 |
| Â | Positive | 3 | 1 | 4 |
Total | Â | 30 | 3 | 33 |
B | Â | SPECT | Â | Â |
| Â | Â | Non ischaemic | Ischaemic | Total |
FFR | Negative | 18 | 2 | 20 |
| Â | Grey | 9 | 0 | 9 |
| Â | Positive | 3 | 1 | 4 |
Total | Â | 30 | 3 | 33 |