Table 5.
Method | Measures | Classifier | ACR | AUC | p-value | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MRI: whole brain | volume+thickness | LLE+LDA | 0.68 | 0.72 | – | ||||||||||||||
MRI: ROI | hippocampus | 0.66 | 0.69 | 0.19 | |||||||||||||||
hippocampus +entorhinal corex | LDA | 0.65 | 0.69 | 0.26 | |||||||||||||||
entorhinal cortex | 0.61 | 0.62 | 0.08 | ||||||||||||||||
MRI: whole brain | volume+thickness | SVM (Gaussian) | 0.61 | 0.62 | < 0.001 | ||||||||||||||
neuropsychological scores | ADAS-Cog11+LDEL+CDR+MMSE | 0.62 | 0.69 | 0.27 | |||||||||||||||
ADAS-Cog11 | 0.59 | 0.67 | 0.14 | ||||||||||||||||
LDEL | LDA | 0.60 | 0.61 | 0.01 | |||||||||||||||
CDR | 0.56 | 0.52 | < 0.001 | ||||||||||||||||
MMSE | 0.57 | 0.54 | < 0.001 | ||||||||||||||||
MRI: whole brain | volume+thickness | SVM (linear) | 0.53 | 0.58 | 0.002 | ||||||||||||||
PCA+LDA | 0.51 | 0.53 | < 0.001 |
The results are ranked by accuracy values from high to low.
p-values indicate prediction performance compared with LLE.
All predications used a LDA classifier. ROI = region of interest; PCA = principal component analysis; all other abbreviations are explained in the text.