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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.