Table 2.
MRI Parameters
| Parameter | Subjects (n = 46) | Controls (n = 20) | P-value |
|---|---|---|---|
| Rest Perfusion (ml/g/min) | 1.11 [0.99,1.37] | 1.11 [0.92,1.23] | 0.25 |
| Stress Perfusion (ml/g/min) | 2.65 ± 0.62 | 3.17 ± 0.49 | 0.002 |
| MPR | 2.21 [1.95,2.69] | 2.93 [2.763.19] | < 0.001 |
| LVEF (%) | 61.2 ± 6.7 | 59.7 ± 4.3 | 0.26 |
| LV mass (g) | 76.3 [63.6,94.8] | 67.8 [56.9,88.8] | 0.18 |
| ECV (%) | 26.6 ± 2.9 | 27.1 ± 2.2 | 0.44 |
| Native T1 (ms) | 988 ± 42 | 987 ± 35 | 0.87 |
ECV extracellular volume fraction, LV left ventricular, LVEF left ventricular ejection fraction, MPR myocardial perfusion reserve