Table 3.
Cardiac magnetic resonance imaging parameters.
| Variables | All patients N = 67 | HFpEF N = 36 | HFrEF N = 31 | p-value (HFpEF vs. HFrEF) |
|---|---|---|---|---|
| LVDV index, ml/m2 | 112.14 ± 66.89 | 75.30 ± 28.01 | 152.54 ± 73.87 | <0.001 |
| LVSV index, ml/m2 | 70.28 ± 63.64 | 31.11 ± 19.05 | 113.24 ± 67.78 | <0.001 |
| LV ejection fraction, % | 44.94 ± 18.80 | 60.25 ± 10.89 | 28.15 ± 8.18 | <0.001 |
| LV mass index, g/m2 | 76.73 ± 34.46 | 68.65 ± 25.73 | 85.59 ± 40.62 | 0.047 |
| LV mass/LV DV, g/ml | 0.75 ± 0.26 | 0.90 ± 0.25 | 0.58 ± 0.16 | <0.001 |
| LA volume index, ml/m2 | 39.64 ± 20.16 | 37.00 ± 19.24 | 42.56 ± 21.06 | 0.315 |
| Presence of LGE, % (n) | 58.2% (39) | 44.4% (16) | 74.0% (23) | 0.013 |
| LGE with atypical pattern for CAD, % (n) | 44.8% (30) | 30.5% (11) | 61.3% (19) | 0.023 |
| LGE with typical pattern for CAD, % (n) | 8.9% (6) | 8.4% (3) | 9.7% (3) | 0.847 |
| Intracellular lifetime of water, s | 0.13 ± 0.05 | 0.15 ± 0.05 | 0.11 ± 0.04 | 0.004 |
| Native T1, ms | 1257.81 ± 63.60 | 1252.63 ± 55.59 | 1263.81 ± 72.51 | 0.533 |
| ECV, % | 0.30 ± 0.04 | 0.30 ± 0.05 | 0.30 ± 0.03 | 0.617 |
| LGE mass, % per gram of tissue | 15.78 ± 11.21 | 11.68 ± 7.67 | 19.20 ± 12.69 | 0.017 |
Variables are summarized as mean ± SD if normally distributed, median (IQR) if not normally distributed, of as number (percentage) for categorical variables. LA: left atrium.