Olfactory-stimulated oxygenation difference in the orbitofrontal cortex | Previous trial (n = 97) | Additional trial (n = 36) | ||||
---|---|---|---|---|---|---|
AUC (95% CI) | Sensitivity (%) | Specificity (%) | AUC (95% CI) | Sensitivity (%) | Specificity (%) | |
Classic prediction model for AD and MCI | 0.873 (0.800 to 0.945) | 88.1 | 81.8 | 0.639 (0.482 to 0.796) | 60.0 | 68.8 |
Prediction model for AD and MCI using machine learning algorithm | 0.925 | 88.1 | 80.0 | 0.825 | 65.0 | 81.3 |
Classic prediction model for MCI (excluded patients with AD)a | 0.852 (0.764 to 0.939) | 84.6 | 81.8 | 0.688 (0.527 to 0.848) | 68.8 | 68.8 |
Prediction model for MCI using machine learning algorithm (excluded patients with AD)a | 0.860 | 88.7 | 81.8 | 0.854 | 66.7 | 81.3 |