Table 3 Comparison of layer-specific strain, LV mass and relative wall thickness between two sexes in healthy controls
|  | Male (n = 29) | Female (n = 48) | p-value |
|---|---|---|---|
LVEF (%) | 62 (59,65) | 63 (60,67) | 0.50 |
GLS_EPI (%) |  − 15.0 ± 2.4 |  − 17.1 ± 2.3 |  < 0.001 |
GLS_AVE (%) |  − 18.7 ± 2.6 |  − 20.5 ± 2.5 | 0.006 |
GLS_ENDO (%) |  − 19.6 ± 2.6 |  − 21.4 ± 2.7 | 0.005 |
GLS_ENDO/GLS_EPI | 1.32 ± 0.12 | 1.26 ± 0.11 | 0.035 |
Absolute GLS layer difference, % |  − 5.0 (− 5.6, − 3.8) |  − 4.2 (− 5.6, − 3.2) | 0.33 |
Relative GLS layer difference, % | 24.2 (20.1,28.0) | 19.7 (15.6,25.7) | 0.030 |
GCS_EPI (%) |  − 9.6 ± 2.6 |  − 11.6 ± 2.7 | 0.002 |
GCS_AVE (%) |  − 18.5 ± 3.3 |  − 20.1 ± 3.4 | 0.051 |
GCS_ENDO (%) |  − 28.9 ± 4.7 |  − 29.7 ± 4.9 | 0.50 |
GCS_ENDO/GCS_EPI | 2.97 (2.61,3.47) | 2.56 (2.32,2.86) | 0.001 |
Absolute GCS layer difference (%) |  − 18.7 (− 21.7, − 16.6) |  − 18.3 (− 20.4, − 15.8) | 0.29 |
Relative GCS layer difference (%) | 66.3 (61.6,71.2) | 61.0 (56.9,65.1) | 0.001 |
GRS_LAx (%) | 43.6 ± 10.6 | 50.6 ± 10.3 | 0.006 |
GRS_SAx (%) | 41.7 ± 11.7 | 49.1 ± 12.2 | 0.011 |
LVM index,g/m2 | 60 (57,71) | 52 (47,57) | 0.005 |
LVM/LVEDV | 0.81 (0.70,0.93) | 0.74 (0.64,0.83) |  < 0.001 |
RWT | 0.34 (0.30,0.37) | 0.30 (0.26,0.32) |  < 0.001 |