Table 4.
Baseline invasive physiology for entire cohort | ||||
N | Minimum | Maximum | Mean (SD) | |
FFR | 89 | 0.75 | 0.82 | 0.78 (0.02) |
HMR | 89 | 0.9 | 6.9 | 2.10 (0.84) |
HSR | 89 | 0.15 | 2.00 | 0.52 (0.25) |
CFVR | 89 | 1.3 | 5.0 | 2.41 (0.75) |
By randomised group | ||||
N | Mean | SD | ||
FFR | OMT | 38 | 0.78 | 0.02 |
PCI | 51 | 0.78 | 0.02 | |
HMR | OMT | 38 | 2.21 | 0.74 |
PCI | 51 | 2.01 | 0.91 | |
HSR | OMT | 38 | 0.55 | 0.21 |
PCI | 51 | 0.50 | 0.27 | |
CFVR | OMT | 38 | 2.35 | 0.72 |
PCI | 51 | 2.45 | 0.77 |
Invasive physiology pre-PCI and post-PCI | ||||
Pre-PCI | Post-PCI | N | P value | |
FFR | 0.77 (0.02) | 0.90 (0.06) | 41 | 0.001 |
HMR | 2.07 (0.98) | 2.31 (0.95) | 41 | 0.02 |
HSR | 0.51 (0.29) | 0.20 (0.18) | 40 | 0.001 |
CFVR | 2.34 (0.73) | 2.28 (0.69) | 40 | 0.548 |
CFVR, coronary flow velocity reserve; FFR, fractional flow reserve; HMR, hyperaemic microvascular resistance; HSR, Hyperaemic Stenosis Resistance Index; N, total number of patients; OMT, optimal medical therapy group; PCI, percutaneous coronary intervention with medical therapy group.