Table 5.
Characteristics compared over serial CMR
| CMR 1 vs 2 | CMR 1 vs 3 | |
|---|---|---|
| Left ventricular ejection fraction (%) |
2.6 ± 0.5 < 0.001 |
4.5 ± 0.8 < 0.001 |
| Indexed LV end diastolic volume (ml/m2) |
− 0.98 ± 1.4 0.484 |
− 3.1 ± 1.8 0.093 |
| Indexed LV systolic volume (ml/m2) |
− 2.3 ± 0.9 0.014 |
− 4.3 ± 1.0 < 0.001 |
| LV mass indexed (g/m2) |
3.3 ± 1.0 0.003 |
6.7 ± 1.3 < 0.001 |
| Right ventricular ejection fraction (%) |
1.3 ± 0.9 0.163 |
1.7 ± 0.9 0.079 |
| Basal strain (%) |
− 0.82 ± 0.5 0.095 |
− 0.82 ± 0.5 0.115 |
| Mid strain (%) |
− 0.47 ± 0.5 0.371 |
− 0.81 ± 0.5 0.115 |
| Apical strain (%) |
− 0.41 ± 0.6 0.463 |
− 0.25 ± 0.6 0.700 |
| Global base native T1 (ms) |
2 ± 9 0.780 |
10 ± 10 0.325 |
| Global mid native T1 (ms) |
20 ± 12 0.107 |
17 ± 12 0.164 |
| Global apex native T1 (ms) |
12 ± 15 0.412 |
46 ± 22 0.048 |
| Global base T2 (ms) |
− 1.9 ± 0.5 < 0.001 |
− 1.0 ± 0.5 0.062 |
| Global mid T2 (ms) |
− 1.6 ± 0.4 < 0.001 |
− 1.5 ± 0.7 0.029 |
| Global apex T2 (ms) |
− 1.7 ± 0.6 0.011 |
− 3.2 ± 1.4 0.025 |
| Global base ECV (%) |
− 0.8 ± 0.6 0.198 |
− 0.7 ± 0.7 0.338 |
| Global mid ECV (%) |
− 0.2 ± 0.8 0.728 |
0.0 ± 0.9 0.997 |
| Global apex ECV (%) |
0.2 ± 0.8 0.782 |
0.5 ± 1.0 0.613 |
Mean difference and standard error between serial CMR and tissue characterization parameter measurements. The first row in the cell is the mean difference with positive values indicating a higher value measured with CMR1 than the compared study. The second row is the p-value. ECV extracellular volume fraction, LV left ventricle, RV right ventricle