Death, stroke and bleedings at different time points according to treatment with vitamin K antagonists (VKA)
| Without VKA warfarin | On VKA warfarin | p Value | |
|---|---|---|---|
| n=2188 | 1437 | 751 | |
| Death and/or stroke within 3 months n (%) | 53 (4%) | 7 (1%) | 0.0002 |
| Death and/or stroke within 6 months n (%) | 71 (5%) | 14 (2%) | 0.0004 |
| Death and/or stroke within 1 year n (%) | 102 (7%) | 26 (3%) | 0.0006 |
| Death and/or stroke—long term n (%) | 371 (26%) | 152 (20%) | 0.004 |
| Death within 3 months n (%) | 38 (3%) | 5 (1%) | 0.002 |
| Death within 6 months n (%) | 49 (3%) | 6 (1%) | 0.0002 |
| Death within 1 year n (%) | 70 (5%) | 14 (2%) | 0.0005 |
| Death—long term n (%) | 310 (22%) | 117 (16%) | 0.0008 |
| Stroke within 3 months n (%) | 19 (1%) | 2 (0.3%) | 0.02 |
| Stroke within 6 months n (%) | 26 (2%) | 8 (1%) | 0.18 |
| Stroke within 1 year n (%) | 40 (3%) | 12 (2%) | 0.08 |
| Stroke—long term n (%) | 113 (8%) | 59 (8%) | 1.00 |
| Bleeding within 3 months n (%) | 23 (2%) | 6 (1%) | 0.12 |
| Bleeding within 6 months n (%) | 31 (2%) | 12 (2%) | 0.37 |
| Bleeding within 1 year n (%) | 42 (3%) | 16 (2%) | 0.27 |
| Bleeding—long term n (%) | 166 (12%) | 82 (11%) | 0.67 |