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Table 2 Univariate analysis: Echocardiographic parameters

From: The value of diastolic function parameters in the prediction of left atrial appendage thrombus in patients with nonvalvular atrial fibrillation

  LAAT (+) LAAT (−) P value
N = 19 N = 278
E:e’ ratio, mean ± SD 16.6 ± 6.1 12.0 ± 5.4 0.001
E:e’ > 8, n (%) 19 (100%) 195 (70%) 0.006
E:e’ ≥ 12, n (%) 16 (84%) 127 (46%) 0.001
e’ velocity (cm/sec), mean ± SD 6.5 ± 2.1 9.1 ± 3.2 0.001
Spontaneous echo contrast, n (%) 19 (100%) 95 (34%) < 0.001
Depressed LAA emptying velocity * , n (%) 19 (100%) 132 (48.0%) < 0.001
LA volume index (mL/m 2 ), mean ± SD 44 ± 13 30 ± 13 < 0.001
LV volume index (mL/m 2 ), mean ± SD 96 ± 38 73 ± 35 0.01
LV mass index (g/m 2 ), mean ± SD 124 ± 45 124.0 ± 44 1.0
LVEF (%), mean ± SD 26 ± 17 45 ± 20 < 0.001
  1. LAAT: left atrial appendage thrombus; SD: standard deviation; LAA: left atrial appendage; LA: left atrial; LV: left ventricular; LVEF: left ventricular ejection fraction.
  2. * LAA emptying velocity < 40 cm/sec.