Table 4. Relative Risk of Adverse Cardiovascular Events in Incident AF Patients With vs Without First-Degree Relatives With AF.
| Variable | With First-Degree Relative With AF (n = 1510) |
Without First-Degree Relative With AF (n = 6040) |
Relative Risk (95% CI) | ||
|---|---|---|---|---|---|
| No. | Prevalence, % | No. | Prevalence, % | ||
| Ischemic stroke | 66 | 4.37 | 319 | 5.28 | 0.79 (0.61-1.03) |
| Acute myocardial infarction | 10 | 0.66 | 66 | 1.09 | 0.58 (0.30-1.14) |
| Coronary revascularization | 30 | 1.99 | 158 | 2.62 | 0.73 (0.49-1.08) |
| Admission for heart failure | 82 | 5.43 | 294 | 4.87 | 1.09 (0.85-1.39) |
| Cardiogenic shock | 2 | 0.13 | 6 | 0.10 | 1.26 (0.25-6.22) |
| Malignant dysrhythmia | 8 | 0.53 | 39 | 0.65 | 0.79 (0.37-1.69) |
| Composite MACE | 198 | 13.11 | 882 | 14.60 | 0.86 (0.74-1.00) |
Abbreviations: AF, atrial fibrillation; MACE, major adverse cardiovascular events.