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Table 2: 
Cerebral blood flow and metabolism in the symptomatic and asymptomatic patients
Asymptomatic PatientsSymptomatic PatientsP
CBF (mL · 100 g−1 · min−1)44.7 ± 6.040.5 ± 8.7.36
OEF (%)42.9 ± 5.748.5 ± 5.7.11
CBV (mL · 100 g−1)3.3 ± 0.43.3 ± 0.7.92
CMRO2 (mL · 100 g−1 · min−1)4.9 ± 1.44.9 ± 1.8.97
CBF/CBV (min−1)9.7 ± 2.89.1 ± 3.4.77
  • Note:—CBF indicates cerebral bloodflow; OEF, oxygen extraction fraction; CBV, cerebral blood volume; CMRO2, cerebral metabolic rate of oxygen.