Table 2

Performance of logistic regression classification of diagnostic group

CBF featureMean ± SD
AUCAccuracy
Mean grey matter CBF0.62 ± 0.13*0.60 ± 0.11*
Quantitative CBF principal components0.60 ± 0.12*0.61 ± 0.10*
Relative CBF principal components0.56 ± 0.12*0.52 ± 0.10
  • AUC = area under the receiver operating characteristic curve; CBF = cerebral blood flow; SD = standard deviation.

  • * Indicates the 95% confidence interval does not contain 0.50.