Table 3.
Summary of the classification results achieved using a multilayer perceptron and a radial basis function networks for discrimination between Alzheimer's dementia and healthy controls.
| # | Class | Radial basis function | Multilayer perceptron | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CV sensitivity / % | CV specificity / % | CV sensitivity / % | CV specificity / % | ||||||
| Spectrum | Subject | Spectrum | Subject | Spectrum | Subject | Spectrum | Subject | ||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Two classes model | |||||||||
| 1 | Healthy controls | 95 | 88 | 92 | 87 | 97 | 87 | 96 | 90 |
| 2 | Alzheimer's dementia | 92 | 87 | 95 | 88 | 96 | 90 | 97 | 87 |
| Three classes model | |||||||||
| 3 | Healthy controls | 89 | 77 | 92 | 83 | 92 | 89 | 93 | 88 |
| 4 | Mild Alzheimer's dementia | 85 | 84 | 94 | 85 | 92 | 84 | 95 | 85 |
| 5 | Moderate Alzheimer's dementia | 86 | 80 | 93 | 86 | 93 | 85 | 94 | 85 |
| Healthy controls vs mild Alzheimer's dementia model | |||||||||
| 6 | Healthy controls | 96 | 90 | 89 | 87 | 95 | 92 | 91 | 91 |
| 7 | Mild Alzheimer's dementia | 89 | 87 | 96 | 90 | 91 | 91 | 95 | 92 |
| Healthy controls vs moderate Alzheimer's dementia model | |||||||||
| 8 | Healthy controls | 96 | 86 | 95 | 85 | 97 | 85 | 96 | 88 |
| 9 | Moderate Alzheimer's dementia | 95 | 85 | 96 | 86 | 96 | 88 | 97 | 85 |
| Mild vs moderate Alzheimer's dementia model | |||||||||
| 10 | Mild Alzheimer's dementia | 93 | 87 | 93 | 84 | 93 | 87 | 94 | 87 |
| 11 | Moderate Alzheimer's dementia | 93 | 84 | 93 | 87 | 94 | 87 | 93 | 87 |