Table 5.
PMOD vs FlowQuant classification of normal vs abnormal stress myocardial blood flow (MBF) and myocardial flow reserve (MFR)
| Normal MBF or MFR values | n | PMOD | FlowQuant | Difference | P |
|---|---|---|---|---|---|
| Whole left-ventricle | |||||
| Stress MBF ≥ 2.0 mL/min/g | 48 | 30 (63%) | 31 (65%) | 1 (2.1%) | 0.84 |
| MFR ≥ 2 (unitless ratio) | 48 | 34 (71%) | 30 (63%) | 4 (8.3%) | 0.40 |
| 17-Segment level | |||||
| Stress MBF ≥ 2.0 mL/min/g | 816 | 456 (56%) | 488 (60%) | 32 (3.9%) | 0.10 |
| MFR ≥ 2 (unitless ratio) | 816 | 543 (67%) | 485 (59%) | 58 (7.1%) | 0.0008 |
| Whole left-ventricle | |||||
| Stress MBF ≥ 2.0 mL/min/g or MFR ≥ 2 (unitless ratio) | 48 | 40 (78%) | 41 (80%) | 1 (2.0%) | 0.81 |
| 17-Segment level | |||||
| Stress MBF ≥ 2.0 mL/min/g or MFR ≥ 2 (unitless ratio) | 816 | 617 (76%) | 613 (75%) | 2 (0.2%) | 0.64 |