Optimal absolute and rMTT thresholds for identification of penumbra destined to infarct

aMTTAUCaT (s)SensSpecrMTTAUCrT (%)SensSpec
Std softwareAll0.7612.00.6500.761All0.782490.6460.796
GM0.7612.00.6620.750GM0.782500.6570.785
WM0.7713.10.6480.778WM0.782500.6760.778
BG0.6113.30.2890.938BG0.631980.3260.922
DC softwareAll0.7213.50.6390.704All0.711500.6490.692
GM0.7312.00.7320.636GM0.731420.7130.663
WM0.7114.40.6150.718WM0.701670.5990.725
BG0.6313.80.3770.796BG0.631140.5420.641
  • Note:—All whole-brain optimal thresholds. GM indicates gray matter; BG, basal ganglia region-specific thresholds; aT, absolute thresholds (sec); rT, relative thresholds; sens, sensitivity; spec, specificity; std, standard algorithm; DC, delay-corrected algorithm; aMTT, absolute MTT.