IJCS | Volume 32, Nº5, September/October 2019

465 Table 1 - Distribution of patients by hemodynamic and structural variables, according to CHA 2 DS 2 -VASc values CHA 2 DS 2 VASc Total 0 to 1 2 to 3 ≥ 4 N % N % N % N % Atrial fibrillation 150 75 22 247 100.0% Yes 13 8.7% 20 26.7% 7 31.8% 40 16.2% No 137 91.3% 55 73.3% 15 68.2% 207 83.8% ᵪ 2 (2, N = 247) = 16.28 - p < 0.001 Spontaneous contrast 150 75 22 247 100.0% Yes 10 6.7% 20 26.7% 4 18.2% 34 13.8% No 140 93.3% 55 73.3% 18 81.8% 213 86.2% ᵪ 2 (2, N = 247) = 17.25 - p < 0.001 Left atrial dilation degree 150 75 22 247 100.0% None 129 86.0% 44 58.7% 15 68.2% 188 76.1% Mild 15 10.0% 17 22.7% 2 9.1% 34 13.8% Moderate 3 2.0% 12 16.0% 5 22.7% 20 8.1% Severe 3 2.0% 2 2.7% 0 .0% 5 2.0% Fisher’s exact test - p < 0.001 Presence of thrombus 150 75 22 247 100.0% Yes 2 1.3% 5 6.7% 0 .0% 7 2.8% No 148 98.7% 70 93.3% 22 100.0% 240 97.2% Fisher’s exact test - p = 0.079 Stroke/TIA 150 75 22 247 100.0% Yes 0 .0% 29 38.7% 17 77.3% 46 18.6% No 150 100.0% 46 61.3% 5 22.7% 201 81.4% ᵪ 2 (2, N = 247) = 104.14 - p < 0.001 ICO 150 75 22 247 100.0% Yes 3 2.0% 8 10.7% 3 13.6% 14 5.7% No 147 98.0% 67 89.3% 19 86.4% 233 94.3% Fisher’s exact test - p = 0.004 Ejection fraction - type 150 75 22 247 100.0% EF < 55% 6 4.0% 10 13.3% 4 18.2% 20 8.1% EF ≥ 55% 144 96.0% 65 86.7% 18 81.8% 227 91.9% ᵪ 2 (2, N = 247) = 9.15 - p = 0.010 Mean left atrial appendage velocity – type 150 75 22 247 100.0% < 0.4 m/s 7 4.7% 17 22.7% 3 13.6% 27 10.9% ≥ 0.4 m/s 143 95.3% 58 77.3% 19 86.4% 220 89.1% Linhares et al. Transesophageal echocardiography and CHA2DS2-Vasc score Int J Cardiovasc Sci. 2019;32(5):460-470 Original Article