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Table 1 Baseline echocardiographic and MRI data

From: The use of MRI in quantification of the atrial fibrosis in patients with rheumatic mitral disease

Variable Mean (SD) or no (%)
Valve lesion
 Mitral stenosis 50 (83.3%)
 Double mitral valve disease 10 (16.7%)
Mitral valve area by echocardiography, cm2 1.25 ± 0.17
Atrial dimension
 LA diameter by echocardiography, cm 4.82 ± 0.51
 LA diameter by echocardiography/BSA, cm/m2 2.62 ± 0.308
Atrial volume
 LA volume by echocardiography, ml 73.03 ± 7.73
 LA volume index by echocardiography, ml/m2 39.75 ± 4.64
Amount of fibrosis by DE-MRI
 No fibrosis 20 (33.3%)
 Mild fibrosis 13 (21.7%)
 Moderate fibrosis 12 (20%)
 Severe fibrosis 15 (25%)
Distribution of fibrosis by DE-MRI
 Left atrium  
  Posterior wall 34 (55.7%)
  Anterior wall 18 (29.5%)
  Septum 21 (34.4%)
 Right atrium 25 (41%)
  1. BSA body surface area