Table 4 Results of receiver operating curve (ROC) analysis of jugular venous reflux status using the first principal component of the normalized whole brain and gray matter volumes combined
Group | Area under curve | True positives | False negatives | True negatives | False positives | Sensitivity | Specificity | Accuracy | Significance p value |
|---|---|---|---|---|---|---|---|---|---|
Controls | 0.538 | n.s. | n.s. | n.s. | n.s. | n.s. | n.s. | n.s. | 0.401 |
MCI | 0.713 | 19 | 5 | 5 | 4 | 79.2% | 55.5% | 72.7% | 0.012 |
AD | 0.794 | 5 | 2 | 8 | 1 | 71.4% | 88.9% | 81.3% | 0.007 |