Table 2.

Feature rates of the five most valuable parameters for machine learning discrimination generated by random forest classifier.

Parameter	Feature Rates
LV_ESVi	0.045
LV_syst_radial_LAX_SR	0.045
LV_diast_radial_LAX_SR	0.049
LV_radial_LAX_S	0.056
LA_syst_long_LAX_SR	0.060

LV_ESVi—indexed left ventricular end systolic volume, LA_syst_radial_LAX_SR—left atrial systolic radial strain rate in longitudinal axis, LA_diast_radial_LAX_SR—left atrial diastolic radial strain rate in longitudinal axis, LV_radial_LAX_S—left ventricular radial strain in longitudinal axis, LA_syst_long_LAX_SR—left atrial systolic longitudinal strain rate in longitudinal axis.