Annual Stroke Risk by Score
| Score | Annual Stroke Risk | Recommendation |
|---|
| 0 | 0.2% | No anticoagulation |
| 1 | 0.6% | Consider anticoagulation (men) |
| 2 | 2.2% | Anticoagulation recommended |
| 3 | 3.2% | Anticoagulation recommended |
| 4 | 4.0% | Anticoagulation recommended |
| 5 | 6.7% | Anticoagulation recommended |
| 6 | 9.8% | Anticoagulation recommended |
| 7 | 9.6% | Anticoagulation recommended |
| 8 | 6.7% | Anticoagulation recommended |
| 9 | 15.2% | Anticoagulation recommended |
Score = C + H + 2×A₂ + D + 2×S₂ + V + A + Sc
Max score = 9
Clinical Notes:
• Always weigh stroke risk against bleeding risk (HAS-BLED score)
• DOACs are preferred over warfarin for non-valvular AF
• Female sex alone (score=1) does not warrant anticoagulation
• Score should be recalculated annually or when risk factors change
