Table 2.
Risk of Ischemic Stroke in Men With AF and a CHA2DS2‐VASc Score of 0 or 1, Stratified by Age
| Age Groups | CHA2DS2‐VASc Score | Number of Patients | Number of Ischemic Strokes | Person‐Years | Incidencea |
|---|---|---|---|---|---|
| Age 20–49 years | No risk factors in addition to sex (score 0) | 2219 | 119 | 21 888.9 | 0.54 |
| Sex plus 1 additional risk factor (score 1) | 1224 | 134 | 10 328.0 | 1.30 | |
| Congestive heart failure | 474 | 60 | 3511.9 | 1.71 | |
| Hypertension | 485 | 42 | 4459.2 | 0.94 | |
| Diabetes mellitus | 156 | 21 | 1268.3 | 1.66 | |
| Vascular disease | 109 | 11 | 1088.6 | 1.01 | |
| Age 50–64 years | No risk factors in addition to sex (score 0) | 2522 | 434 | 20 799.9 | 2.09 |
| Sex plus 1 additional risk factor (score 1) | 2594 | 584 | 18 655.0 | 3.13 | |
| Congestive heart failure | 791 | 154 | 5312.9 | 2.90 | |
| Hypertension | 1233 | 301 | 9574.2 | 3.14 | |
| Diabetes mellitus | 392 | 99 | 2310.8 | 4.28 | |
| Vascular disease | 178 | 30 | 1457.1 | 2.06 | |
| Age 65–74 years | Score 1 | 3556 | 764 | 20 737.0 | 3.68 |
a
Number of ischemic strokes per 100 person‐years of follow‐up. AF indicates atrial fibrillation.