Table 2.
CHADS2 scores to guide thromboembolic prevention treatment.
| adjusted annual stroke rate | stroke risk level | warfarin recommended | |
|---|---|---|---|
| 0 | 1.9 | low | no |
| 1 | 2.8 | moderate | yes |
| 2 | 4.0 | moderate | yes |
| 3 | 5.9 | high | yes |
| 4 | 8.5 | high | yes |
| 5 | 12.5 | high | yes |
| 6 | 18.2 | high | yes |
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