| Total CCSVI (n = 53) Mean (SD) | Total No CCSVI (n = 39) Mean (SD) | p-value |
---|---|---|---|
ATVV for all vein diameters (ml) | 67.2 (17.8) | 78.3 (16.6) | .003 |
ATVV with diameter < 0.3 mm (ml) | 45.1 (11) | 51 (9.4) | .003 |
Venous intracranial fraction | 0.059 (0.02) | 0.067 (0.01) | .044 |
Average distance from vein (mm) | 1.25 (0.2) | 1.1 (0.1) | < .0001 |
 | MS CCSVI (n = 47) | MS No CCSVI (n = 12) |  |
ATVV for all vein diameters (ml) | 65.1 (17.1) | 70 (8) | NS |
ATVV with diameter < 0.3 mm (ml) | 44 (10.8) | 47 (4.5) | NS |
Venous intracranial fraction | 0.059 (0.02) | 0.066 (0.01) | .084 |
Average distance from vein (mm) | 1.29 (0.2) | 1.08 (0.02) | .01 |