Table 3.
Residual vein occlusion in relation to postthrombotic syndrome and recurrent venous thromboembolism
| No residual vein obstruction | Residual vein obstruction | OR (95%CI) | |||
|---|---|---|---|---|---|
| N | % | N | % | ||
| Postthrombotic syndrome at 6 and 24 mo after DVT* | |||||
| Villalta score ≥5 at 6 mo | 77/174 | 44.3 | 97/174 | 55.7 | 0.66 (0.46-0.96) |
| Villalta score ≥5 between at 24 mo | 142/309 | 46.0 | 167/309 | 54.0 | 0.65 (0.46-0.92) |
| Recurrent venous thromboembolism between 6 to 24 mo* | |||||
| DVT | 12/30 | 40.0 | 18/30 | 60.0 | 0.82 (0.61-2.12) |
| Pulmonary embolism | 9/19 | 47.7 | 10/19 | 52.6 | 0.95 (0.61-1.46) |
Analyses adjusted for the intervention effect in IDEAL DVT study.