Table 2.
CMR imaging markers.
| Controls (n = 15) | HFpEF (n = 18) | p-value | |
|---|---|---|---|
| LVMI (g/m2) | 47 ± 13 | 47 ± 16 | 0.711 |
| Pre-T1 (ms) | 1,025 ± 43 | 1,033 ± 77 | 0.890 |
| ECV | 0.26 ± 0.04 | 0.29 ± 0.04 | 0.020 |
| Average Circ SSR (s−1) | −0.96 ± 0.16 | −1.04 ± 0.20 | 0.369 |
| Average Circ e'SR (s−1) | 1.39 ± 0.44 | 1.36 ± 0.62 | 0.554 |
| Average Circ SS (unitless) | −0.16 ± 0.03 | −0.16 ± 0.04 | 0.878 |
| Global MPR (unitless) | 3.42 ± 0.61 | 2.20 ± 0.48 | <0.001 |
| Stress Perfusion (ml/g/min) | 1.83 ± 0.52 | 1.79 ± 0.06 | 1.000 |
Data is presented as mean ± standard deviation.
Subject groups were compared with Wilcoxon rank-sum test. Significance was defined as p-value < 0.05.
Circ, circumferential; e'SR, peak early diastolic strain rate; ECV, extracellular volume; HFpEF, heart failure with preserved ejection fraction; LV, left ventricular; MI, mass index; MPR, myocardial perfusion reserve; SS, peak systolic strain; SSR, peak systolic strain rate.