Patient characteristics
| Variable . | Vitamin K group . | Placebo group . |
|---|---|---|
| Sex, no. (%) | ||
| Male | 17 (49) | 18 (51) |
| Female | 18 (51) | 17 (49) |
| Median age, y (range) | ||
| Men | 76 (58-82) | 72.5 (62-85) |
| Women | 73 (58-83) | 76 (45-86) |
| White, no. (%) | 35 (100) | 35 (100) |
| Primary reason for anticoagulation, no. (%) | ||
| Atrial fibrillation | 35 (100) | 35 (100) |
| Variable . | Vitamin K group . | Placebo group . |
|---|---|---|
| Sex, no. (%) | ||
| Male | 17 (49) | 18 (51) |
| Female | 18 (51) | 17 (49) |
| Median age, y (range) | ||
| Men | 76 (58-82) | 72.5 (62-85) |
| Women | 73 (58-83) | 76 (45-86) |
| White, no. (%) | 35 (100) | 35 (100) |
| Primary reason for anticoagulation, no. (%) | ||
| Atrial fibrillation | 35 (100) | 35 (100) |