Table 3 Invasive and CMR derived values for separated cumulative wave intensity analysis (absolute and proportion)
From: Feasibility of cardiovascular magnetic resonance derived coronary wave intensity analysis
| Â | Separated cumulative wave | Proportional separated cumulative wave intensity /% | ||||
|---|---|---|---|---|---|---|
intensity /Wm−2s−1 x 106 | ||||||
Invasive | CMR | p-value | Invasive | CMR | p-value | |
Forward compression wave (FCW) | 6.6 ± 4.3 | 4.1 ± 2.3 | 0.01 | 30.0 ± 15.4 | 24.4 ± 8.3 | 0.10 |
Forward expansion wave (FEW) | 1.7 ± 3.2 | 1.2 ± 1.2 | 0.98 | 5.6 ± 5.4 | 6.7 ± 4.9 | 0.99 |
2nd forward compression wave (FCW2) | 2.4 ± 3.3 | 2.5 ± 0.6 | 0.23 | 5.2 ± 3.0 | 4.2 ± 2.5 | 0.38 |
Backward compression wave (BCWtot) | 8.7x ± 6.0 | 6.6 ± 3.4 | <0.01 | 33.4 ± 11.0 | 41.5 ± 11.1 | 0.02 |
Backward expansion wave (BEW) | 7.4 ± 5.7 | 4.1 ± 2.7 | <0.01 | 25.7 ± 8.6 | 25.0 ± 6.3 | 0.85 |