Table 3: CBV, CBF, and MTT measured from normal brain parenchyma of the 30 patients.

RemovalCBV (mL/100 g)sSVDcSVD
CBF (mL/100 g/min)MTT (sec)CBF (mL/100 g/min)MTT (sec)

None4.95 ± 0.8755.3 ± 9.56.39 ± 0.7052.3 ± 8.36.04 ± 0.45
CSF4.81 ± 0.7356.4 ± 8.65.60 ± 0.61*53.0 ± 6.95.42 ± 0.34*
Vessel3.09 ± 0.24*36.4 ± 3.7*6.32 ± 0.6736.1 ± 2.8*5.86 ± 0.44
Both3.11 ± 0.22*38.7 ± 3.8*5.49 ± 0.57*38.0 ± 2.5*5.21 ± 0.31*

All data are expressed as the means ± standard deviations.
Significant difference between the original data and data after CSF removal, after vessel removal, and after removal of both ( from the Mann-Whitney test).