Table 2.
Echocardiographic characteristic according to impaired and preserved GLS
| Preserved GLS | Impaired GLS | p | |
|---|---|---|---|
| (GLS ≤ −16 %) | (GLS > −16 %) | ||
| N = 106 | N = 30 | ||
| Ejection fraction (%) | 67.6 ± 6.9 | 59.5 ± 7.5 | <0.001 |
| LVESV (ml) | 25.7 ± 11.7 | 33.2 ± 20.8 | 0.01 |
| LVEDV (ml) | 75.4 ± 23.9 | 80.1 ± 33.6 | 0.4 |
| LVESD (mm) | 2.81 ± 0.53 | 3.01 ± 0.83 | 0.1 |
| LVEDD (mm) | 4.77 ± 0.58 | 4.79 ± 0.87 | 0.9 |
| LVMI (g/m2.7) | 50.3 ± 11.7 | 56.3 ± 20.7 | 0.04 |
| RWT | 0.49 ± 0.12 | 0.51 ± 0.11 | 0.3 |
| LVH (LVMI ≥ 51 g/m2.7) | 53(50) | 16(53) | 0.8 |
| - eccentric LVH | 8(15) | 2(13) | |
| - concentric LVH | 45(85) | 14(87) | |
| LV compliance | |||
| - E/e’ | 12.3 ± 4.2 | 15.5 ± 10.9 | 0.02 |
| LV relaxation | |||
| - E/A | 1.0 ± 0.4 | 0.9 ± 0.3 | 0.2 |
| - e’ (cm/s) | 0.06 ± 0.01 | 0.05 ± 0.01 | 0.007 |
| LA volume (ml) | 61.5 ± 19.4 | 62.0 ± 23.2 | 0.9 |
GLS; global longitudinal strain, LVESV; left ventricular end systolic volume, LVEDV; left ventricular end diastolic volume, LVESD; left ventricular end systolic diameter, LVEDD; left ventricular end diastolic diameter, LVMI; left ventricular mass index, RWT; relative wall thickness, LVH; left ventricular hypertrophy, LA; left atrial