Figure 2

Receiver operating characteristic-curve analysis of indexed and non-indexed left atrial measurements for identifying TEE endpoints. Legend: AP – anteroposterior; AUC – area under the curve; CI – confidence interval; LA – left atrial; LAA – left atrial appendage; LA ABN – left atrial abnormality; p – significance level; SEC – spontaneous echocardiographic contrast; 4C – 4-chamber; 1P – single-plane; 2P – biplane.