Pre-contrast | MS (n = 59) | RR (n = 41) | SP (n = 18) | |||
---|---|---|---|---|---|---|
 | r | p | r | p | r | p |
ATVV for all vein diameters (ml) | -0.54 | < .0001 | -0.7 | < .0001 | -0.17 | .500 |
ATVV with diameter < 0.3 mm (ml) | -0.52 | < .0001 | -0.67 | < .0001 | -0.24 | .340 |
Venous intracranial fraction | -0.54 | < .0001 | -0.67 | < .0001 | -0.12 | .653 |
Average distance from vein (mm) | 0.64 | < .0001 | 0.73 | < .0001 | 0.21 | .413 |
Post-contrast | MS (n = 48) | RR (n = 36) | SP (n = 12) | |||
 | r | p | r | p | r | p |
ATVV for all vein diameters (ml) | -0.46 | < .0001 | -0.47 | < .0001 | -0.23 | .425 |
ATVV with diameter < 0.3 mm (ml) | -0.48 | < .0001 | -0.53 | < .0001 | -0.14 | .722 |
Venous intracranial fraction | -0.57 | < .0001 | -0.6 | < .0001 | -0.28 | .354 |
Average distance from vein (mm) | 0.62 | < .0001 | 0.72 | < .0001 | 0.26 | .324 |