The five significant links in the alpha band between sMCI and pMCI patients were obtained with a Mann–Whitney U test after the FDR
| sMCI patients (n = 30) | pMCI patients (n = 19) | p values | Classification statistics (%) | |||||
|---|---|---|---|---|---|---|---|---|
| ACC (95% CI) | SEN | SPE | PPV | NPV | ||||
| Link 1 | 0.11 ± 0.03 | 0.14 ± 0.02 | 2.04 × 10−4 | 77.6 (63.4–88.2) | 78.9 | 76.7 | 68.2 | 85.2 |
| Link 2 | 0.10 ± 0.03 | 0.14 ± 0.03 | 3.40 × 10−5 | 81.6 (68.0–91.2) | 84.2 | 80.0 | 72.7 | 88.9 |
| Link 3 | 0.10 ± 0.02 | 0.13 ± 0.03 | 1.73 × 10−4 | 77.6 (63.4–88.2) | 73.7 | 80.0 | 70.0 | 82.8 |
| Link 4 | 0.14 ± 0.03 | 0.18 ± 0.03 | 1.35 × 10−4 | 77.6 (63.4–88.2) | 78.9 | 76.7 | 68.2 | 85.2 |
| Link 5 | 0.10 ± 0.03 | 0.14 ± 0.03 | 2.81 × 10−4 | 69.4 (54.6–81.7) | 68.4 | 70.0 | 59.1 | 77.8 |
Link 1, right cingulate gyrus, anterior division, with right middle temporal gyrus, temporo-occipital part; Link 2, right cingulate gyrus, anterior division, with right lateral occipital cortex, inferior division; Link 3, right cingulate gyrus, anterior division, with right occipital pole; Link 4, right cingulate gyrus, anterior division, with left supracalcarine cortex; Link 5, right cingulate gyrus, anterior division, with left lateral occipital cortex, inferior division; ACC, accuracy; SEN, sensitivity; SPE, specificity; PPV, positive predictive value; NPV, negative predictive value; 95% CI, 95% confidence interval.