Table 2.
Patient characteristics
| Variable | Group 2 (n = 7,826) | Group 1 (n = 7,635) | p Value |
|---|---|---|---|
| Age (yrs) | 79 ± 10 | 77.5 ± 10 | <0.0001 |
| Men | 3,256 (42%) | 3,279 (43%) | 0.0892 |
| Caucasian | 6,766 (87%) | 6,508 (85%) | 0.0003 |
| Previous stroke/TIA | 2,990 (38%) | 2,475 (32%) | <0.0001 |
| Coronary artery disease/myocardial infarction | 2,791 (36%) | 2,445 (32%) | <0.0001 |
| Diabetes | 2,057 (26%) | 1,923 (25%) | 0.1186 |
| Hypertension | 5,745 (73%) | 5,636 (74%) | 0.5642 |
| Dyslipidemia | 2,392 (31%) | 2,381 (31%) | 0.4037 |
| Tobacco use (current or past year) | 557 (7%) | 582 (8%) | 0.2290 |
| Stroke subtype: ischemic | 5,849 (75%) | 6,208 (81%) | <0.0001 |
Group 1, AF documented using ECG; group 2, AF documented using history only.