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Table 3 Cross Tabulation of ROC AUC between the different indexed methods

From: Which method of left atrium size quantification is the most accurate to recognize thromboembolic risk in patients with non-valvular atrial fibrillation?

Indexed LA AP diameter Indexed LA Area 4C Indexed LA elipsoid volume Indexed LA 1P area-length volume Indexed LA 2P area-length volume
Indexed LA AP diameter LAAT p = 0.08 LAAT p = 0.910 LAAT p = 0.122 LAAT p = 0.082
DSEC p = 0.1 DSEC p = 0.231 DSEC p = 0.248 DSEC p = 0.389
LFV p = 0.024 LFV p = 0.358 LFV p = 0.127 LFV p = 0.245
  LA ABN p = 0.046 LA ABN p = 0.187 LA ABN p = 0.154 LA ABN p = 0.249
  Indexed LA Area 4C LAAT p = 0.037 LAAT p = 0.888 LAAT p = 0.795
DSEC p = 0.451 DSEC p = 0.466 DSEC p = 0.358
LFV p = 0.064 LFV p = 0.061 LFV p = 0.069
   LA ABN p = 0.212 LA ABN p = 0.186 LA ABN p = 0.242
   Indexed LA elipsoide volume LAAT p = 0.010 LAAT p = 0.033
DSEC p = 0.722 DSEC p = 0.997
LFV p = 0.314 LFV p = 0.472
LA ABN p = 0.565 LA ABN p = 0.805
    Indexed LA 1P area-length volume LAAT p = 0.766
DSEC p = 0.608
LFV p = 0.519
LA ABN p = 0.633
  Indexed LA 2P area-length volume
  1. Legend: AP – anteroposterior; DSEC – dense spontaneous echocardiographic contrast; LA – left atrial; LA ABN – left atrial abnormality; LAAT – left atrial appendage thrombus; LFV - left atrial appendage low flow velocities; p – significance level; 4C – 4-chamber; 1P – single-plane; 2P – biplane.