Table 4. Univariate analysis of LA dyssynchrony index.
| r | p value | |
|---|---|---|
| Age | 0.025 | 0.826 |
| LV end-diastolic volume | −0.127 | 0.482 |
| LV end-systolic volume | −0.081 | 0.654 |
| LV ejection fraction | −0.132 | 0.449 |
| LV GLS | 0.189 | 0.089 |
| LA volume | 0.242 | 0.031 |
| LA emptying fraction | −0.177 | 0.051 |
| PALS | −0.181 | 0.049 |
| E velocity | 0.111 | 0.544 |
| A velocity | −0.192 | 0.294 |
| DT | −0.249 | 0.029 |
| e′ velocity | −0.281 | 0.119 |
| a′ velocity | −0.127 | 0.468 |
| E/e′ | 0.344 | 0.002 |
| LV systolic dyssynchrony index | 0.083 | 0.465 |
| LV diastolic dyssynchrony index | 0.077 | 0.499 |
DT = deceleration time of mitral early diastolic velocity; E = mitral early diastolic velocity; E/e′ = the ratio of early diastolic mitral inflow velocity to early diastolic mitral annular velocity; GLS = global longitudinal strain; LA = left atrium; LV = left ventricular; PALS = peak atrial longitudinal strain.