Table 8. Longitudinal and transverse strain and strain rate values according to segment from the apical long-axis view.
| Strain according to segment | Patients (n = 21) | Controls (n = 20) | |
| (mean ± SD) | (mean ± SD) | p-value | |
| SLSCC peak G (%) | |||
| Basal anterior septal | –19.99 ± 2.75 | –18.63 ± 5.80 | 0.24 |
| 0.24 | –16.60 ± 11.17 | –15.34 ± 5.24 | 0.58 |
| Mid-posterior | –18.27 ± 3.83 | –17.08 ± 3.20 | 0.20 |
| Apical posterior | –17.94 ± 4.47 | –17.73 ± 4.48 | 0.86 |
| Apical anterior septal | –15.33 ± 5.55 | –16.56 ± 6.86 | 0.46 |
| Mid-anterior septal | –18.01 ± 2.58 | –17.72 ± 5.69 | 0.80 |
| SLSC peak S (%) | |||
| Basal anterior septal | –19.68 ± 3.06 | –18.45 ± 5.81 | 0.31 |
| Basal posterior | –16.29 ± 10.74 | –15.06 ± 5.42 | 0.59 |
| Mid-posterior | –17.98 ± 4.10 | –17.018 ± 3.14 | 0.32 |
| Apical posterior | –17.39 ± 4.56 | –17.44 ± 4.80 | 0.96 |
| Apical anterior septal | –14.91 ± 5.32 | –16.21 ± 6.88 | 0.43 |
| Mid-anterior septal | –17.82 ± 2.71 | –17.64 ± 5.65 | 0.87 |
| SLSC peak P (%) | |||
| Basal anterior septal | 0.25 ± 0.81 | 0.125 ± 0.28 | 0.42 |
| Basal posterior | 2.88 ± 8.90 | 2.07 ± 2.08 | 0.64 |
| Mid-posterior | 0.16 ± 0.49 | 0.43 ± 0.69 | 0.08 |
| Apical posterior | 0.15 ± 0.29 | 0.17 ± 0.42 | 0.84 |
| Apical anterior septal | 0.22 ± 0.36 | 0.30 ± 0.68 | 0.61 |
| Mid-anterior septal | 0.02 ± 0.06 | 0.14 ± 0.35 | 0.07 |
| STSR peak P (%) | |||
| Basal anterior septal | 21.30 ± 22.17 | 29.87 ± 24.35 | 0.16 |
| Basal posterior | 35.91 ± 26.93 | 34.86 ± 25.61 | 0.88 |
| Mid-posterior | 27.98 ± 23.49 | 27.18 ± 18.86 | 0.88 |
| Apical posterior | 21.76 ± 18.45 | 21.56 ± 14.17 | 0.96 |
| Apical anterior septal | 19.14 ± 16.83 | 20.87 ± 13.64 | 0.67 |
| Mid-anterior septal | 18.56 ± 18.17 | 24.07 ± 19.07 | 0.26 |
| STSR peak G (%) | |||
| Basal anterior septal | –19.54 ± 3.04 | –18.38 ± 5.85 | 0.39 |
| Basal posterior | –16.04 ± 11.32 | –14.81 ± 5.47 | 0.60 |
| Mid-posterior | –17.89 ± 4.14 | –16.87 ± 3.17 | 0.29 |
| Apical posterior | –17.19 ± 4.63 | –17.30 ± 4.75 | 0.92 |
| Apical anterior septal | –14.66 ± 5.51 | –16.09 ± 6.82 | 0.39 |
| Mid-anterior septal | –17.68 ± 2.84 | –17.59 ± 5.66 | 0.93 |
| SLSC (ES) (%) | |||
| Basal anterior septal | 14.59 ± 24.85 | 24.53 ± 25.34 | 0.13 |
| Basal posterior | 28.05 ± 27.70 | 28.55 ± 28.82 | 0.94 |
| Mid-posterior | 24.35 ± 23.59 | 23.42 ± 21.06 | 0.87 |
| Apical posterior | 20.06 ± 19.09 | 20.12 ± 14.95 | 0.99 |
| Apical anterior septal | 17.58 ± 17.78 | 19.77 ± 14.08 | 0.61 |
| Mid-anterior septal | 15.53 ± 20.06 | 21.84 ± 19.12 | 0.22 |
| STSR (ES) (%) | |||
| Basal anterior septal | 10.95 ± 3.58 | 11.50 ± 3.49 | 0.55 |
| Basal posterior | 13.75 ± 3.59 | 11.37 ± 2.26 | 0.004 |
| Mid-posterior | 8.81 ± 2.56 | 7.20 ± 1.59 | 0.0006 |
| Apical posterior | 3.23 ± 1.26 | 2.27 ± 1.216 | 0.005 |
| Apical anterior septal | 1.28 ± 1.61 | 2.21 ± 2.46 | 0.10 |
| Mid-anterior septal | 5.55 ± 2.96 | 6.56 ± 3.34 | 0.23 |
| DLDC (ES) (mm) | |||
| Basal anterior septal | 1.77 ± 2.00 | 2.62 ± 2.11 | 0.11 |
| Basal posterior | 4.91 ± 2.08 | 3.57 ± 1.57 | 0.008 |
| Mid-posterior | 3.97 ± 1.59 | 2.95 ± 1.37 | 0.012 |
| Apical posterior | 2.46 ± 1.34 | 2.24 ± 1.31 | 0.53 |
| Apical anterior septal | 1.56 ± 1.37 | 2.17 ± 1.55 | 0.12 |
| Mid-anterior septal | 1.55 ± 1.50 | 2.54 ± 1.81 | 0.027 |
SLSC peak G: the most negative peak longitudinal strain, SLSC peak S: negative systolic peak longitudinal strain, SLSC peak P: positive systolic peak longitudinal strain, SLSC (ES): end-systolic longitudinal strain, STSR peak P: positive peak transverse strain, STSR peak G: the most negative peak transverse strain, STSR (ES): end-systolic longitudinal strain, DLDC (ES): end-systolic longitudinal displacement.