Table 3.
Risk of Ischemic Stroke in Women With AF and a CHA2DS2‐VASc Score of 1 or 2, 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 1) | 1455 | 115 | 15 053.3 | 0.76 |
| Sex plus 1 additional risk factor (score 2) | 628 | 77 | 5510.9 | 1.40 | |
| Congestive heart failure | 292 | 39 | 2331.3 | 1.67 | |
| Hypertension | 220 | 24 | 2155.1 | 1.11 | |
| Diabetes mellitus | 68 | 9 | 622.8 | 1.45 | |
| Vascular disease | 48 | 5 | 401.7 | 1.24 | |
| Age 50–64 years | No risk factors in addition to sex (score 1) | 1779 | 295 | 16 465.1 | 1.79 |
| Sex plus 1 additional risk factor (score 2) | 1967 | 430 | 16 257.9 | 2.64 | |
| Congestive heart failure | 559 | 114 | 4223.0 | 2.70 | |
| Hypertension | 997 | 216 | 8851.4 | 2.44 | |
| Diabetes mellitus | 287 | 79 | 2006.4 | 3.94 | |
| Vascular disease | 124 | 21 | 1177.1 | 1.78 | |
| Age 65–74 years | Score 2 | 1866 | 450 | 12 989.9 | 3.46 |
a
Number of ischemic strokes per 100 person‐years of follow‐up. AF indicates atrial fibrillation.