Table 4 Comparison between patients according to the type of AF regarding demographic data and atrial fibrosis
From: The use of MRI in quantification of the atrial fibrosis in patients with rheumatic mitral disease
| Â | Paroxysmal AF (n = 10) | Persistent AF (n = 9) | Long-standing persistent AF (n = 11) | P value |
|---|---|---|---|---|
Gender, female | 6 (60%) | 6 (66.7%) | 8 (72.7%) | 0.544 |
DM | 0 | 2 (22.2%) | 3 (27.3%) | 0.103 |
HTN | 0 | 1 (11.1%) | 1 (9.1%) | 0.440 |
CVS | 0 | 0 | 1 (3.3%) | 0.248 |
Presence of fibrosis | ||||
 Mild | 9 (90%) | 0 | 0 | < 0.001 |
 Moderate | 1 (10%) | 5 (55.6%) | 0 | < 0.001 |
 Severe | 0 | 4 (44.4%) | 11 (100%) | < 0.001 |
Distribution of fibrosis | ||||
 Left atrial walls |  |  |  |  |
  Posterior wall | 7 (70%) | 8 (88.9%) | 11 (100%) | 0.048 |
  Septum | 3 (30%) | 6 (66.7%) | 11 (100%) | 0.001 |
  Anterior wall | 0 | 3 (33.3%) | 11 (100%) | < 0.001 |
 Right atrium involvement | 2 (20%) | 6 (66.7%) | 11 (100%) | < 0.001 |