Table 3. .
Native T1 and T2 values, PSWT, and EDTH in mild, moderate, and severe hypertrophic myocardial segments in the HCM patient group
| Parameters | Mild hypertrophic segments (n = 105) |
Moderate hypertrophic segments (n = 35) |
Severe hypertrophic segments (n = 24) |
p-value (Kruskal–Wallis test) |
|---|---|---|---|---|
| EDTH (mm) | 16.5 ± 1.4 (16.2, 16.8) |
21.7 ± 1.3* (21.3, 22.2) |
31.5 ± 5.3* (29.3, 33.8) |
<0.001 |
| Native T1 (ms) | 1323.2 ± 60.5 (1308.2, 1329.5) |
1340.8 ± 58.0 (1320.8, 1360.1) |
1389.0 ± 69.2* (1359.8, 1418.2) |
<0.001 |
| T2 (ms) | 43.3 ± 3.5 (42.6, 43.9) |
44.3 ± 3.4* (43.1, 45.4) |
45.1 ± 2.6* (44.0, 46.2) |
0.002 |
| PSWT (%) | 33.3 ± 21.0 (29.3, 37.4) |
25.4 ± 14.1 (21.2, 26.1) |
15.0 ± 15.6* (8.4, 21.5) |
<0.001 |
Continuous variables are expressed as mean ± standard deviation(95% CI). EDTH, end-diastolic thickness; PSWT, percentage of systolic wall thickening. Column 3 and 4: * statistical significance compared to mild hypertrophic segments (column 2) using Mann-Whitney U-test.