Table 1.
Results of support vector machine classification to separate patients and control subjects
| Region of interest | Analysis (N) | Accuracy %) | Sensitivity (%) | Specificity (%) | Positive predictive value (%) | Negative predictive value (%) |
|---|---|---|---|---|---|---|
| Whole Brain | ||||||
| 19 vs. 19 | 73.6 | 63.2 | 84.2 | 80.0 | 69.6 | |
| 52 vs. 52 | 81.7 | 78.9 | 84.6 | 83.7 | 80.0 | |
| Frontal Lobe | ||||||
| 19 vs. 19 | 78.9 | 68.4 | 89.5 | 86.7 | 73.9 | |
| 52 vs. 52 | 80.7 | 76.9 | 84.6 | 83.3 | 78.6 | |
| Frontal Lobe, Insula, Basal Ganglia | ||||||
| 19 vs 19 | 78.9 | 68.4 | 89.5 | 86.7 | 73.9 | |
| 52 vs 52 | 82.7 | 80.7 | 84.6 | 84.0 | 81.5 | |
| Temporal Lobe | ||||||
| 19 vs. 19 | 71.1 | 73.7 | 68.4 | 70.0 | 72.2 | |
| 52 vs. 52 | 78.8 | 76.9 | 80.8 | 80.0 | 77.8 | |
| Frontal & Temporal Lobe | ||||||
| 19 vs. 19 | 76.3 | 68.4 | 84.2 | 81.3 | 72.7 | |
| 52 vs. 52 | 84.6 | 80.7 | 88.5 | 87.5 | 82.1 | |
| Frontal & Temporal Lobe, Insula, Basal Ganglia | ||||||
| 19 vs. 19 | 73.6 | 63.2 | 84.2 | 80.0 | 69.6 | |
| 52 vs. 52 | 84.6 | 80.7 | 88.5 | 87.5 | 82.1 | |