Table 4.
CMR feature tracking parameters of left (3D) and right (2D) ventricle of patients according to the presence of composite endpoint of cardiovascular mortality and appropriate ICD therapy
| Variables | Patients with EF > 35% | Patients with EF > 35% | P value | Patients with EF ≤ 35% | Patients with EF ≤ 35% | P value | |||
|---|---|---|---|---|---|---|---|---|---|
| Total n = 54 | No event n = 41 | Event n = 13 | Total n = 188 | No event n = 135 | Event n = 53 | ||||
| LV‐GLS (%) | −8.3 ± 3.0 | −8.9 ± 2.5 | −6.2 ± 3.5 | 0.004 | −5.8 ± 1.8 | −5.9 ± 1.9 | −5.7 ± 1.6 | 0.628 | |
| LV‐GRS (%) | 22.7 ± 7.9 | 24.0 ± 8.1 | 18.5 ± 5.8 | 0.028 | 13.0 ± 5.5 | 13.1 ± 5.8 | 12.5 ± 4.6 | 0.525 | |
| LV‐GCS (%) | −11.3 ± 2.7 | −11.7 ± 2.9 | −9.9 ± 1.5 | 0.034 | −7.1 ± 2.1 | −7.1 ± 2.1 | −7.0 ± 2.1 | 0.846 | |
| RV‐GLS (%) | −21.4 ± 4.7 | −22.0 ± 4.7 | −19.5 ± 4.7 | 0.089 | −16.6 ± 6.2 | −16.6 ± 5.8 | −16.4 ± 7.0 | 0.821 | |
| RV‐GRS (%) | 15.2 ± 5.2 | 16.1 ± 5.0 | 12.4 ± 5.0 | 0.025 | 11.8 ± 5.5 | 11.8 ± 5.9 | 11.9 ± 4.5 | 0.866 | |
| RV‐GCS (%) | −9.8 ± 3.4 | −10.4 ± 2.8 | −8.1 ± 4.5 | 0.036 | −8.1 ± 3.4 | −8.1 ± 3.6 | −8.2 ± 2.8 | 0.737 | |
Values are mean ± SD, The P values in bold indicate the significance of differences, significance level P < 0.05.
LV‐GCS, left ventricular‐global circumferential strain; LV‐GLS, left ventricular‐global longitudinal strain; LV‐GRS, left ventricular‐global radial strain; RV‐GCS, right ventricular‐global circumferential strain; RV‐GLS, right ventricular‐global longitudinal strain; RV‐GRS, right ventricular‐global radial strain.