Research Article
Discrimination between Alzheimer's Disease and Mild Cognitive Impairment Using SOM and PSO-SVM
Table 8
Classification results (PSO-SVM).
| | Proportion | Volume
features | Volume features + PCA | Shape features | Shape features + PCA | Volume + shape features | Volume + shape features + PCA |
| |
AD (versus NC) |
| | Accuracy | 76.47% | 76.47% | 70.59% | 76.47% | 82.35% | 94.12% | | Sensitivity | 76.47% | 76.47% | 70.59% | 76.47% | 87.50% | 94.12% | | Specificity | 76.47% | 76.47% | 70.59% | 76.47% | 83.33% | 94.12% |
| | MCI (versus NC) |
| | Accuracy | 66.67% | 66.67% | 55.56% | 50.00% | 77.78% | 88.89% | | Sensitivity | 75.00% | 75.00% | 66.67% | 69.23% | 87.50% | 94.12% | | Specificity | 68.42% | 68.42% | 60.00% | 59.09% | 78.95% | 88.88% |
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