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Table 5 Multivariate analysis including LA volume measurements and CHADS 2 /CHA 2 DS 2 -VASc parameters for prediction of TEE surrogate markers of stroke

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

TEE markers of stroke

Independent predictors

OR

CI95%

p

LA Volumes + CHADS 2 parameters

LAA thrombus

• Indexed LA 2P Area-Length Volume

1.026

1.009 – 1.043

0.003

 

• Previous stroke/TIA

4.080

1.647 – 10.102

0.002

LAA LFV

• Indexed LA 1P Area-Length Volume

1.022

1.010 – 1.034

<0.001

Dense SEC

• Indexed LA 2P Area-Length Volume

1.013

0.999-1.028

0.07

• Congestive heart failure

1.968

1.024 – 3.783

0.04

 

• Previous stroke/TIA

2.458

1.093 – 5.530

0.03

LA ABN

• Indexed LA 2P Area-Length Volume

1.021

1.006 – 1.035

0.005

 

• Congestive heart failure

2.065

1.134 – 3.758

0.02

LA Volumes + CHA 2 DS 2 -VASc parameters

LAA thrombus

• Indexed LA 2P Area-Length Volume

1.028

1.010 – 1.046

0.002

 

• Previous stroke/TIA

4.071

1.568 – 10.569

0.004

LAA LFV

• Indexed LA 1P Area-Length Volume

1.023

1.180 – 1.037

<0.001

Dense SEC

• Previous stroke/TIA

2.675

1.158 – 6.180

0.02

 

• Congestive heart failure

2.308

1.180 – 4.514

0.02

LA ABN

• Indexed LA 2P Area-Length Volume

1.019

1.005 – 1.034

0.009

• Congestive heart failure

2.133

1.147 – 3.966

0.02

  1. Legend: CI - confidence interval; LA – left atrial; LAA – left atrial appendage; LA ABN – left atrial abnormality; LFV – low flow velocities; OR – odds ratio; p – significance level; SEC – spontaneous echocardiographic contrast; TEE – transesophageal echocardiography; TIA – transient ischemic attack; vel – velocities; 1P – single-plane; 2P – biplane.