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Distribution of CHADS2 and CHA2DS2_VASC Scores Risk Categories and Rate of Persistent Treatment With Warfarin
| Low Risk (Score 0) | Intermediate Risk (Score 1) | High Risk (Score ≥2) | |
|---|---|---|---|
| CHADS2 | 12 296 (12.4%) | 22 806 (23.1%) | 63 709 (64.5%) |
| Warfarin treatment, n (%) | 1659 (13.5%) | 6107 (26.8%) | 17 662 (27.7%) |
| CHA2DS2_VASC | 4300 (4.4%) | 8868 (9.0%) | 85 643 (86.7%) |
| Warfarin treatment, n (%) | 452 (10.5%) | 1459 (16.5%) | 23 517 (27.5%) |
