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Table 3 Univariate and multivariate analysis predictors of left atrial thrombus or sludge

From: Evaluation of left atrial deformation to predict left atrial stasis in patients with non-valvular atrial fibrillation – a pilot-study

  Univariate analysis Multivariate analysis
  OR 95%CI P OR 95%CI P Wald Hosmer-Lemshow
BMI ≥ 26.9 kg/m2 0.3 0.1-1.0 0.049 - - - -  
AF episode duration ≥ 1 month 13.3 1.7-106.5 0.003 13.3 1.5-119.6 0.021 5.3
Indexed LAV ≥ 45.2 mL/m2 3.4 1.0-11.6 0.044 - - - -
Av. peak positive strain rate ≤ 1.01 (s-1) 6.3 1.9-20.9 0.001 - - - - χ2 = 1.054 df = 6 P = 0.983
Av. Peak negative strain rate ≥ -1.33 (s-1) 21.7 2.7-173.9 <0.001 21.5 2.5-186.1 0.005 7.7
Av. Peak-to-peak strain rate ≤ 2.02 (s-1) 12.1 3.5-42.3 <0.001 - - - -
SD time-to-peak positive strain ≥ 101.3 ms 3.6 1.1-11.6 0.026 3.8 0.9-15.1 0.062 3.5  
Constant 0.01 - 0.002 16.2  
  1. Legend: BMI – body mass index; LAV – left atrial volume; Av. Average; SD – standard deviation.