Table 3 Results of thrombus propagation.
| Status of thrombus (n=56) | Chronic | Acute |
|---|---|---|
| No change | 39 | 0 |
| Retraction | 0 | 7 |
| Disappearance | 6 | 1 |
| New thrombus (proximal DVT)# | 1 | 0 |
| New thrombus (isolated distal DVT)* | 1 | 0 |
| Propagation to popliteal vein+ | 0 | 1 |
# New thrombosis was confirmed in a remote proximal vein. *New thrombosis was confirmed in another isolated distal vein. + Thrombosis extended to the popliteal vein.