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Table 3: 
Quantitative assessment of ischemia/infarct (mean quantitative values)
Observer 1Observer 2Observer 4Observer 5Observer 6
CBF (mL/100 g/min)13.3814.5525.9620.8718.85
CBV (mL/100 g)1.401.441.901.781.59
MTT (seconds)10.6510.8310.119.6510.08
  • Note:—CBF indicates cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time. Observer 1, radiology resident physician; observer 2, neuroradiology attending physician; observer 4, neuroradiology fellow; observer 5, junior CT technologist; observer 6, senior CT technologist. Observer 3, the neurology attending physician did not participate in this section of the study.