| Clinical factors | |
| History of hypertension | |
| Recent (within 3 months) HF | |
| Previous cerebrovascular event (stroke or TIA) | |
| Echocardiographic factors | |
| Global left ventricular dysfunction | |
| Dilated atrium on M-mode (≥4.7 cm or 2.4 cm/m2) | |
| Stroke risk (per year) based on clinical factors | |
| No risk factors | 2.5 percent |
| 1 risk factor | 7.2 percent |
| 1 or 2 risk factors | 17.6 percent |
| Stroke risk (per year) based on clinical and echocardiographic factors | |
| No risk factors | 1.0 percent |
| 1 risk factor | 6.0 percent |
| 2 or 3 risk factors | 18.6 percent |
