Table 5. Parameters associated with LA conduit/contractile strain ratio.
| Variables | Bivariate | Multivariate linear regression | |||
|---|---|---|---|---|---|
| R | p-value | B | SE | p-value | |
| Age (years) | -0.619 | < 0.001 | -0.011 | 0.003 | < 0.001 |
| Male | -0.180 | 0.001 | |||
| Systolic blood pressure (mmHg) | -0.277 | < 0.001 | -0.001 | 0.003 | 0.735 |
| Diastolic blood pressure (mmHg) | -0.296 | < 0.001 | -0.010 | 0.003 | 0.002 |
| Heart rate (beats/min) | 0.088 | 0.114 | |||
| LV mass index (g/m2) | -0.313 | < 0.001 | 0.001 | 0.002 | 0.712 |
| LA volume index (mL/m2) | -0.099 | 0.077 | |||
| E′ velocity septal (cm/s) | 0.608 | < 0.001 | 0.026 | 0.018 | 0.149 |
| E/E′ ratio septal | -0.304 | < 0.001 | 0.014 | 0.020 | 0.471 |
| Early diastolic strain rate (s-1) | 0.459 | < 0.001 | 0.602 | 0.090 | < 0.001 |
| Late diastolic strain rate (s-1) | -0.612 | < 0.001 | -1.158 | 0.145 | < 0.001 |
| LV ejection fraction (%) | -0.043 | 0.442 | |||
| LV GLS (%) | -0.195 | < 0.001 | |||
GLS: global longitudinal strain, LA: left atrium, LV: left ventricle.