Table 2.

Top ten highest rates for the first principal component.

Variance Ranking	Magnitude of Coefficients
LA_S_Res_2Ch	0.410296
RA_S_Res	0.381366
LA_S_Res_4Ch	0.276865
RV_EF	0.269950
RV_GRS_4Ch	0.267888
RA_S_Con	0.224486
LA_S_Con_2Ch	0.212670
LA_S_Boo_2Ch	0.197627
LV_EF	0.159073
RA_S_Boo	0.156880

LV_EF = left ventricular ejection fraction, RV_EF = right ventricular ejection fraction, RA_S_Res = right atrial strain of reservoir phase, RA_S_Con = right atrial strain of conduit phase, RA_S_Boo = right atrial strain of booster phase, LA_S_Res_4Ch = left atrial strain of reservoir phase in four-chamber view, LA_S_Res_2Ch = left atrial strain of reservoir phase in two-chamber view, LA_S_Con_2Ch = left atrial strain of conduit phase in two-chamber view, LA_S_Boo_2Ch = left atrial strain of booster phase in two-chamber view, RV_GRS_4Ch = right ventricular global radial strain in four-chamber view.