Table 1 Threshold values used to determine infarct core in grey matter (GM) and white matter (WM) for each CTP technique [18]
Core volume definition | ||||
|---|---|---|---|---|
Threshold technique | AbsCBF | AbsCBV | rCBF | rCBV |
Gray Matter (GM) | ≤13.80 | ≤1.31 | ≤0.42 | ≤0.89 |
White Matter (WM) | ≤9.80 | ≤0.85 | ≤0.56 | ≤0.81 |