Demographics and characteristics
| . | Included patients (N = 624) . |
|---|---|
| Age, median (IQR), y | 65 (54-73) |
| Female sex, n (%) | 342 (55) |
| Symptoms duration, median (IQR), d | 7 (4-14) |
| Positive D-dimer,* n (%) | 475 (76) |
| Low probability for DVT,† n (%) | 117 (19) |
| Moderate probability for DVT,† n (%) | 348 (56) |
| High probability for DVT,† n (%) | 159 (25) |
| DVT at baseline, n (%) | 119 (19) |
| Risk factors for VTE, n (%) | |
| Previous VTE | 91 (15) |
| VTE in first-degree relatives | 118 (19) |
| Current smoking | 129 (21) |
| Recent travel >4 h | 194 (31) |
| Recent inactivity | 84 (14) |
| Surgery within past 12 wk | 37 (6) |
| Known thrombophilia | 17 (3) |
| Hormonal contraceptives | 23 (4) |
| Hormone-replacement therapy | 46 (7) |
| . | Included patients (N = 624) . |
|---|---|
| Age, median (IQR), y | 65 (54-73) |
| Female sex, n (%) | 342 (55) |
| Symptoms duration, median (IQR), d | 7 (4-14) |
| Positive D-dimer,* n (%) | 475 (76) |
| Low probability for DVT,† n (%) | 117 (19) |
| Moderate probability for DVT,† n (%) | 348 (56) |
| High probability for DVT,† n (%) | 159 (25) |
| DVT at baseline, n (%) | 119 (19) |
| Risk factors for VTE, n (%) | |
| Previous VTE | 91 (15) |
| VTE in first-degree relatives | 118 (19) |
| Current smoking | 129 (21) |
| Recent travel >4 h | 194 (31) |
| Recent inactivity | 84 (14) |
| Surgery within past 12 wk | 37 (6) |
| Known thrombophilia | 17 (3) |
| Hormonal contraceptives | 23 (4) |
| Hormone-replacement therapy | 46 (7) |