Influence of alternative definitions of hypertension on the numbers identified as requiring anticoagulation for the latest survey, 2010a
| Number identified and proportion of total AF population in 2010 (n = 59 804) | ||||
|---|---|---|---|---|
| CHADS2 ≥2 | CHA2DS2-VASc ≥2 | |||
| Definition | n | % | n | % |
| A | 34 041 | 56.9 | 50 547 | 84.5 |
| B | 40 178 | 67.2 | 53 110 | 88.8 |
| C | 39 417 | 65.9 | 53 022 | 88.7 |
| D | 39 544 | 66.1 | 53 066 | 88.7 |
↵a Differences in the proportions identified were all significant at the P<0.01 level. AF = atrial fibrillation.