Table 1.
Clinical Characteristics
| On Warfarin (%) | No Warfarin (%) | |
|---|---|---|
| Age, mean, years | 71.61 ± 11.97 | 65.86 ± 14.37 |
| Male | 1352/1947 (69.4) | 595/1947 (30.6) |
| Female | 837/1139 (73.5) | 302/1139 (26.5) |
| History of TEs | 387/451 (85.8) | 64/451 (14.2) |
| Hypertension | 1560/2032 (76.8) | 472/2032 (23.2) |
| Diabetes mellitus | 524/647 (81.0) | 123/647 (19.0) |
| Congestive heart failure | 272/311 (87.5) | 39/311 (12.5) |
| Age ≥75 years | 998/1253 (79.6) | 255/1253 (20.4) |
| Age 65–74, years | 613/832 (73.7) | 219/832 (26.3) |
| Coronary artery disease | 603/728 (82.8) | 125/728 (17.2) |
| CHADS2 = 0 | 180/497 (36.2) | 317/497 (63.8) |
| CHADS2 = 1 | 648/938 (69.1) | 290/938 (30.9) |
| CHADS2 = 2 | 792/968 (81.8) | 176/968 (18.2) |
| CHADS2 = 3 | 344/410 (83.9) | 66/410 (16.1) |
| CHADS2 ≥4 | 225/273 (82.4) | 48/273 (17.6) |
Abbreviations: TEs, thromboembolic events.