Table 3.
Note.-Group 1 = iliac vein compression syndrome without thrombosis, group 2 = iliac vein compression syndrome with fresh thrombosis, group 3 = iliac vein compression syndrome with non-fresh thrombosis. No significant difference was observed for patency rates between group 1 and group 2 (χ2 = 0,501, p = 0.479). Conversely, significant difference was observed for patency rates between group 1 and group 3 (χ2 = 11,282, p = 0.001) and between group 2 and group 3 (χ2 = 6,235, p = 0.013).