Distribution of stroke risk for the 2010 cross-sectional survey (n = 59 804) by use of anticoagulants and antiplatelet agents
| Risk band | Proportion of AF population identified (%) | Proportion of the risk band using anticoagulants (%) | Proportion receiving an antiplatelet agent (%) | Proportion receiving neither (%) |
|---|---|---|---|---|
| CHADS2 | ||||
| 0 | 16.8 | 32.1 | 30.1 | 41.7 |
| 1 | 26.3 | 46.0 | 40.2 | 18.9 |
| 2 | 28.5 | 50.8 | 41.7 | 13.1 |
| 3 | 15.2 | 56.1 | 40.7 | 10.3 |
| 4 | 9.6 | 54.5 | 45.0 | 8.4 |
| 5 | 3.2 | 54.4 | 43.7 | 8.8 |
| 6 | 0.5 | 52.6 | 47.0 | 9.3 |
| ≥2 | 56.9 | 53.0 | 42.2 | 11.3 |
| CHA2DS2-VASc | ||||
| 0 | 6.1 | 23.0 | 18.5 | 61.2 |
| 1 | 9.4 | 36.4 | 31.7 | 35.6 |
| 2 | 14.6 | 47.2 | 37.6 | 20.2 |
| 3 | 20.5 | 50.6 | 40.0 | 14.8 |
| 4 | 21.3 | 50.3 | 42.9 | 12.5 |
| 5 | 14.7 | 52.9 | 43.7 | 10.5 |
| 6 | 8.7 | 53.2 | 46.2 | 8.5 |
| 7 | 3.7 | 51.7 | 47.4 | 8.4 |
| 8 | 1.0 | 53.8 | 45.6 | 8.3 |
| 9 | 0.2 | 47.6 | 55.3 | 7.8 |
| ≥2 | 84.5 | 50.7 | 42.0 | 13.4 |