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| No of LAA lobes | |
| 1 | 198 (26.2%) |
| 2 | 366 (48.3%) |
| 3 | 155 (20.5%) |
| ⩾4 | 38 (5%) |
| Spontaneous echo contrast grade | |
| 0 | 184 (24.3%) |
| 1 | 237 (31.3%) |
| 2 | 172 (22.7%) |
| 3 | 87 (11.5%) |
| 4 | 77 (10.2%) |
| Patients with thrombi | 48 (6.3%) |
| LA thrombi | 2 (4.2%) |
| LAA thrombi | 42 (87.5%) |
| RAA thrombi | 4 (8.3%) |
| Patients with LAA artefacts | 115 (15%) |
LA, left atrium; LAA, left atrial appendage; RAA, right atrial appendage.
