Left ventricular function and mass |
Indexed left atrium (cm2/m2) |
16 ± 4 |
17 ± 5 |
15 ± 4 |
0.107 |
Indexed right atrium (cm2/m2) |
12 ± 3 |
12 ± 2 |
11 ± 3 |
0.218 |
Ejection fraction: left ventricle |
58.6 ± 9 |
55.4 ± 10 |
59.9 ± 9 |
0.069 |
Indexed stroke volume (ml/beat/m2) |
45.4 ± 8 |
45.4 ± 8 |
45.3 ± 8 |
0.920 |
Indexed end-diastolic volume: left ventricle (ml/m2) |
79.1 ± 15 |
84.6 ± 16 |
77.0 ± 15 |
0.070 |
Indexed end-systolic volume: left ventricle (ml/m2) |
34.0 ± 13 |
39.2 ± 14 |
32.0 ± 12 |
0.038 |
Indexed left ventricular wall mass (g/m2) |
102.3 ± 40 |
116.5 ± 46 |
96.6 ± 36 |
0.066 |
Maximum left ventricular myocardial thickness |
23.0 ± 7 |
24.6 ± 7 |
22.4 ± 7 |
0.194 |
Late gadolinium enhancement |
|
|
|
|
Presence of fibrosis |
64 (80%) |
24 (100%) |
40 (71%) |
0.003 |
Number of segments with fibrosis |
3.4 ± 3 |
5.4 ± 3 |
2.6 ± 2 |
0.001 |
Fibrosis pattern |
|
|
|
0.007 |
Confluent |
39 (49%) |
18 (75%) |
21 (38%) |
0.002 |
Diffuse |
14 (18%) |
3 (13%) |
11 (14%) |
0.441 |
Mixed |
11 (14%) |
3 (13%) |
8 (14%) |
0.832 |
Fibrosis % volume (5 SD above mean of normal myocardium) |
18 ± 15 |
28 ± 17 |
14 ± 12 |
0.001 |