Table 3.

Area under the receiver operating characteristic curve (AUC) and optimal diagnostic cutoffs between Groups A and B

	AUC	95% CI	Se	Sp	Cutoff	P‐Value
%LAEFact	0.95	0.88–1.00	0.91	0.96	24.0	<.0001
LA/Ao	0.94	0.85–1.00	1.00	0.88	2.06	<.0001
E	0.85	0.71–0.98	0.82	0.84	1.17	.001
%LAEFtotal	0.85	0.70–0.99	0.82	0.76	45.6	.001
LVIDd inc%	0.85	0.72–0.98	0.73	0.84	26.2	.001
LVIDs inc%	0.77	0.62–0.92	0.73	0.76	−2.2	.011
E/A	0.74	0.58–0.91	0.73	0.72	1.36	.022

%LAEF_act, left atrium active emptying fraction; LA/Ao, left atrial to aortic root ratio; E, peak early diastolic mitral inflow velocity; %LAEF_total, left atrium total emptying fraction; LVIDd inc%, percent increase in left ventricular diameter in diastole; LVIDs inc%, percent increase in left ventricular diameter in systole; A, late diastolic mitral inflow velocity; Se, sensitivity; and Sp, specificity.