Table 3:

Distribution of the perfusion lesion volumes

Median Volume (mL)IQRRange
Tissue at riska42.833.82–161.8
Tmax > 4 secondsb67.467.74.2–295.4
Tmax > 6 secondsb25.421.40–96
Infarct corea7.325.20–56.8
CBF <30%b2.89.00–49.1
Tmax > 10 secondsb7.417.80–63.7
  • Note:—Volumes were estimated by multiplying the computed volume with pixel size.

  • a Results of semiautomated postprocessing.

  • b Results of automated postprocessing.