Table 5. Longitudinal and transverse strain and strain rate values according to segment from the four-chamber view.
| Strain according to segment | Patients (n = 21) | Controls (n = 20) | |
| (mean ± SD) | (mean ± SD) | p-value | |
| SLSC peak G (%) | |||
| Basal septal | –21.07 ± 2.32 | –21.46 ± 2.62 | 0.57 |
| Mid-septal | –20.52 ± 2.20 | –20.67 ± 2.17 | 0.80 |
| Apical septal | –17.56 ± 3.72 | –18.20 ± 3.70 | 0.54 |
| Apical lateral | –15.56 ± 4.59 | –16.91 ± 3.75 | 0.26 |
| Mid-lateral | –14.42 ± 4.35 | –15.89 ± 4.24 | 0.23 |
| Basal lateral | –14.10 ± 5.66 | –14.07 ± 5.44 | 0.98 |
| SLSC peak S (%) | |||
| Basal septal | –20.74 ± 2.50 | –21.26 ± 2.67 | 0.47 |
| Mid-septal | –20.40 ± 2.27 | –20.56 ± 2.22 | 0.79 |
| Apical septal | –17.04 ± 3.72 | –17.57 ± 3.93 | 0.62 |
| Apical lateral | –15.30 ± 4.60 | –16.67 ± 3.93 | 0.26 |
| Mid-lateral | –13.96 ± 4.70 | –15.58 ± 4.26 | 0.20 |
| Basal lateral | –12.79 ± 6.79 | –12.42 ± 7.98 | 0.86 |
| SLSC peak P (%) | |||
| Basal septal | 0.29 ± 0.47 | 0.26 ± 0.41 | 0.83 |
| Mid-septal | 0.07 ± 0.29 | 0.03 ± 0.09 | 0.48 |
| Apical septal | 0.25 ± 1.29 | 0.08 ± 0.31 | 0.53 |
| Apical lateral | 0.23 ± 1.20 | 0.001 ± 0.03 | 0.35 |
| Mid-lateral | 0.38 ± 0.72 | 0.22 ± 0.55 | 0.38 |
| Basal lateral | 2.76 ± 5.00 | 3.11 ± 4.03 | 0.78 |
| STSR peak P (%) | |||
| Basal septal | 32.31 ± 18.40 | 37.90 ± 20.18 | 0.30 |
| Mid-septal | 26.00 ± 15.45 | 31.24 ± 14.79 | 0.22 |
| Apical septal | 21.90 ± 14.32 | 26.700 ± 11.13 | 0.19 |
| Apical lateral | 19.82 ± 14.28 | 25.82 ± 14.04 | 0.14 |
| Mid-lateral | 20.38 ± 14.76 | 27.33 ± 17.61 | 0.13 |
| Basal lateral | 22.64 ± 17.76 | 31.21 ± 21.17 | 0.012 |
| STSR peak G (%) | |||
| Basal septal | –20.53 ± 2.50 | –21.12 ± 2.68 | 0.42 |
| Mid-septal | –20.32 ± 2.26 | –20.51 ± 2.17 | 0.76 |
| Apical septal | –16.95 ± 3.81 | –17.49 ± 3.86 | 0.61 |
| Apical lateral | –15.14 ± 4.72 | –16.53 ± 3.90 | 0.26 |
| Mid-lateral | –13.66 ± 5.11 | –15.44 ± 4.29 | 0.18 |
| Basal lateral | –11.58 ± 9.45 | –12.64 ± 6.89 | 0.17 |
| SLSC (ES) (%) | |||
| Basal septal | 28.43 ± 20.12 | 35.12 ± 21.41 | 0.25 |
| Mid-septal | 23.91 ± 16.32 | 30.12 ± 15.08 | 0.16 |
| Apical septal | 20.64 ± 14.76 | 26.02 ± 11.08 | 0.15 |
| Apical lateral | 18.58 ± 14.74 | 24.56 ± 14.35 | 0.15 |
| Mid-lateral | 17.53 ± 16.27 | 24.30 ± 18.47 | 0.17 |
| Basal lateral | 16.90 ± 21.08 | 24.79 ± 22.54 | 0.69 |
| STSR (ES) (%) | |||
| Basal septal | 12.14 ± 2.18 | 12.18 ± 2.69 | 0.95 |
| Mid-septa | 6.64 ± 1.52 | 6.73 ± 2.23 | 0.87 |
| Apical septal | 1.60 ± 0.74 | 1.81 ± 1.25 | 0.45 |
| Apical lateral | 2.88 ± 1.32 | 2.78 ± 0.96 | 0.77 |
| Basal lateral | 11.06 ± 3.50 | 11.33 ± 2.27 | 0.66 |
| DLDC (ES) (mm) | |||
| Basal septal | 1.85 ± 1.74 | 3.16 ± 1.89 | 0.014 |
| Mid-septal | 1.97 ± 1.34 | 2.81 ± 1.85 | 0.06 |
| Apical septal | 1.55 ± 1.06 | 2.01 ± 1.15 | 0.14 |
| Apical lateral | 1.89 ± 0.91 | 2.05 ± 0.59 | 0.46 |
| Mid-lateral | 3.66 ± 1.26 | 3.52 ± 1.073 | 0.66 |
| Basal lateral | 5.97 ± 1.77 | 5.51 ± 1.64 | 0.35 |
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.