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| No WRN (N = 1047, 80.7%) | WRN (N = 250, 19.3%) | Total (N = 1297) | P-value | |
| Duration * (months) † | 32.6±26.4 | 25.6±26.1 | 31.2±26.4 | <0.001 |
| Mortality rate (%) | 26.3 (N = 275) | 42.8 (N = 107) | 29.5 (N = 382) | |
| 12 months (%) | 15.9 | 32.4 | 19.1 | |
| 24 months (%) | 20.9 | 40.1 | 24.5 | |
| 60 months (%) | 32.8 | 49.4 | 36 |
Mean ± Standard deviation.
The period from the event of INR >3.0 to the last visit or death of patients (from Statistics Korea).
