| Site of DVT | CFV | SFV | DFV | Popliteal v. |
| Affected segment | 33 (71.7%) | 33 (71.7%) | 8 (17.4%) | 31 (67.4%) |
| Not affected | 13 (28.3%) | 13 (28.3%) | 38 (82.6%) | 15 (32.6%) |
| Total | 46 (100%) | 46 (100%) | 46 (100%) | 46 (100%) |