Table 1.
Characteristics and Stroke Risk of Those ≥65 Years of Age With AF
| Screen‐Detected AF | Otherwise‐Detected AF During Study Period | Baseline: AF Diagnosed Before Study | |
|---|---|---|---|
| (n=36) | (n=58) | (n=1243) | |
| Age, y, mean±SD | 77.0±6.1 | 77.0±8.4 | 79.2±7.8 |
| Male, n (%) | 23 (64) | 32 (55) | 662 (53) |
| Mean CHA₂DS₂‐VA | 3.2 | 3.3 | 3.7 |
| CHA₂DS₂‐VA≥2, n (% of total) | 34 (94) | 55 (95) | 1223 (98) |
| CHA₂DS₂‐VA≥2 and prescribed OACs, n (% of those with CHA₂DS₂‐VA≥2) | 28 (82) | 41 (75) P=0.444* | 908 (74) P=0.326* |
| ≥1 nonage or sex risk factors, n (% of total) | 30 (83) | 54 (93) | 1178 (95) |
AF indicates atrial fibrillation; and CHA₂DS₂‐VA, C = congestive heart failure/left ventricular dysfunction, H = high blood pressure, A2 = 75 years of age and older, D = diabetes mellitus, S2 = stroke/transient ischemic attack/thromboembolism, V = vascular disease (coronary artery disease, myocardial infarction, peripheral artery disease, aortic plaque), A = 65 to 74 years of age; and OAC, oral anticoagulant.
a
P value for comparison to screen‐detected AF.