Table 4.
T1 value of patients with normal heart function | T1 value of patients with abnormal heart function | |||||
---|---|---|---|---|---|---|
nsa | Median ± MAD (ms) | nsa | Median ± MAD (ms) | p value b | ||
Global LV myocardium | 2496 | 959.85 ± 30.32 | 2976 | 974.94 ± 35.07 | < 0.001 | |
LAD | 936 | 958.52 ± 33.29 | 1116 | 971.53 ± 35.36 | < 0.001 | |
RCA | 780 | 971.78 ± 27.95 | 930 | 987.15 ± 37.05 | < 0.001 | |
LCx | 780 | 952.39 ± 26.26 | 930 | 964.94 ± 33.10 | < 0.001 | |
Basal | 936 | 966.94 ± 22.61 | 1116 | 980.79 ± 33.98 | < 0.001 | |
1 | Anterior | 156 | 964.35 ± 24.48 | 186 | 969.98 ± 33.09 | 0.080 |
2 | Anteroseptal | 156 | 976.65 ± 20.45 | 186 | 1004.20 ± 39.28 | 0.040 |
3 | Inferoseptal | 156 | 971.14 ± 19.05 | 186 | 987.85 ± 36.06 | < 0.001 |
4 | Inferior | 156 | 981.81 ± 25.15 | 186 | 990.10 ± 39.13 | 0.010 |
5 | Inferolateral | 156 | 964.20 ± 24.18 | 186 | 981.66 ± 30.88 | < 0.001 |
6 | Anterolateral | 156 | 957.23 ± 16.38 | 186 | 960.54 ± 28.07 | < 0.001 |
Mid-ventricular | 936 | 956.61 ± 31.27 | 1116 | 972.02 ± 33.83 | < 0.001 | |
7 | Anterior | 156 | 938.52 ± 39.88 | 186 | 953.70 ± 28.24 | < 0.001 |
8 | Anteroseptal | 156 | 965.38 ± 30.20 | 186 | 972.83 ± 34.06 | 0.110 |
9 | Inferoseptal | 156 | 970.71 ± 22.85 | 186 | 982.84 ± 32.18 | < 0.001 |
10 | Inferior | 156 | 972.89 ± 27.91 | 186 | 996.98 ± 32.71 | < 0.001 |
11 | Inferolateral | 156 | 951.55 ± 22.85 | 186 | 981.01 ± 30.19 | < 0.001 |
Apical | 624 | 940.58 ± 39.64 | 744 | 971.31 ± 37.26 | < 0.001 | |
12 | Anterolateral | 156 | 932.91 ± 31.00 | 186 | 946.04 ± 33.09 | 0.010 |
13 | Anterior | 156 | 919.70 ± 41.48 | 186 | 962.45 ± 31.95 | < 0.001 |
14 | Septal | 156 | 959.46 ± 36.14 | 186 | 980.53 ± 37.96 | < 0.001 |
15 | Inferior | 156 | 936.24 ± 46.59 | 186 | 982.10 ± 43.85 | < 0.001 |
16 | Lateral | 156 | 953.10 ± 36.88 | 186 | 965.16 ± 49.61 | < 0.001 |
MAD, median absolute deviation; ns, number of segments; LV, left ventricle; LAD, left anterior descending; RCA, right coronary artery; LCx, left circumflex artery
aThe number of segments reflects six combinations of segment comparisons between four observers
bp values of comparison between normal and abnormal heart function groups by the Mann-Whitney U test