Regression models for early predictors of PTS per stratum
| . | Coefficient estimate (95% CI) . | P . |
|---|---|---|
| CVC-related thrombosis stratum | ||
| Age at DVT diagnosis (for every y) | 0.6 (0.1-1.2) | .02 |
| N of d on therapeutic anticoagulation in first month post-DVT | 0.0 (−0.1 to 0.1) | .44 |
| Presence of symptoms | 0.3 (−2.5 to 3.1) | .84 |
| Time from DVT diagnosis to PTS assessment (for every y) | 0.9 (0.4-1.3) | <.001 |
| DVT burden (for every point)* | 0.7 (0.1-1.4) | .05 |
| Non–CVC-related thrombosis stratum | ||
| Age at DVT diagnosis (for every y) | 1.7 (1.0-2.4) | <.001 |
| N of d on therapeutic anticoagulation in first month post-DVT | −0.2 (−0.6 to 0.2) | .26 |
| Time from DVT diagnosis to PTS assessment (for every y) | 0.9 (−1.2 to 2.9) | .41 |
| DVT burden (for every point)* | 3.6 (−1.9 to 9.1) | .21 |
| . | Coefficient estimate (95% CI) . | P . |
|---|---|---|
| CVC-related thrombosis stratum | ||
| Age at DVT diagnosis (for every y) | 0.6 (0.1-1.2) | .02 |
| N of d on therapeutic anticoagulation in first month post-DVT | 0.0 (−0.1 to 0.1) | .44 |
| Presence of symptoms | 0.3 (−2.5 to 3.1) | .84 |
| Time from DVT diagnosis to PTS assessment (for every y) | 0.9 (0.4-1.3) | <.001 |
| DVT burden (for every point)* | 0.7 (0.1-1.4) | .05 |
| Non–CVC-related thrombosis stratum | ||
| Age at DVT diagnosis (for every y) | 1.7 (1.0-2.4) | <.001 |
| N of d on therapeutic anticoagulation in first month post-DVT | −0.2 (−0.6 to 0.2) | .26 |
| Time from DVT diagnosis to PTS assessment (for every y) | 0.9 (−1.2 to 2.9) | .41 |
| DVT burden (for every point)* | 3.6 (−1.9 to 9.1) | .21 |
DVT burden score (see data supplement for details): occlusive DVT (yes = 2) + iliofemoral DVT (yes = 1) + n of affected venous segments (maximum score of 1 if entire UE or LE venous territory affected). Maximum score, 5 points.