Table 2.
Behavioral variant FTD–related pattern classification results
| Subjects (N) | Sensitivity% | 95% CI | Specificity% | 95% CI | AUC% | 95% CI |
|---|---|---|---|---|---|---|
| bvFTD (59) versus | ||||||
| NL (30) | 91.5 (54/59) | 81.3-97.2 | 93.3 (28/30) | 77.9-99.2 | 97.7 | 92-99.7 |
| AD (50) | 91.5 (54/59) | 81.3-97.2 | 82 (41/50) | 68.6-91.4 | 92.2 | 85.4-96.4 |
| FTD language variants∗ (29) | 71.2 (42/59) | 57.9-82.2 | 86.2 (25/29) | 68.3-96.1 | 87.6 | 78.8-93.6 |
Abbreviations: AD, Alzheimer's disease; AUC, area under the receiver operating characteristics curve; bvFTD, behavioral variant frontotemporal dementia; CI, confidence interval; NL, healthy controls.
NOTE. Parentheses contain numbers of subjects.
Including 12 patients with progressive nonfluent aphasia and 17 patients with semantic dementia.